# data[].attributes.body
Interchangeable parts, popularized in America when Eli Whitney used them to assemble muskets in the first years of the 19th century, allowed relatively unskilled workers to produce large numbers of weapons quickly and at lower cost, and made repair and replacement of parts infinitely easier.

# data[].attributes.body
In the early 1800s, national political parties continued to debate issues such as the tariff, powers of the federal government, and relations with European powers.  Following the Louisiana Purchase, the United States government sought influence and control over North America and the Western Hemisphere through a variety of means, including exploration, military actions, American Indian removal, and diplomatic efforts such as the Monroe Doctrine.  Frontier settlers tended to champion expansion efforts, while American Indian resistance led to a sequence of wars and federal efforts to control and relocate American Indian populations.

# data[].attributes.headline
Seneca Falls Convention and Declaration of Sentiments

# data[].attributes.subject
Seneca Falls Convention and Declaration of Sentiments

# data[].attributes.body
The first women's rights convention to discuss the social, civil, and religious condition and rights of woman.
The declaration of sentiments was a document signed in 1848 by 68 women and 32 men—100 out of some 300 attendees at the first women's rights convention to be organized by women.

# data[].attributes.body
Reform movement originating in the 1320s that sought to eliminate the consumption of alcohol.

# data[].attributes.body
A movement to end slavery, whether formal or informal.

# data[].attributes.body
A Protestant religious revival movement during the early 19th century in the United States.

# data[].attributes.body
This era was revolting against the rationalism of the eighteenth century.

# data[].attributes.body
Mexican War or the Invasion of Mexico, was an armed conflict between the United States of America and the United Mexican States from 1846 to 1848.

# data[].attributes.body
Missouri admitted as a slave state and Maine as a free state.

# data[].attributes.body
A principle of US policy, originated by President James Monroe in 1823, that any intervention by external powers in the politics of the Americas is a potentially hostile act against the US.

# data[].attributes.body
he 19th-century doctrine or belief that the expansion of the US throughout the American continents was both justified and inevitable.

# data[].attributes.body
Ireland’s great potato famine induced a massive wave of Irish emigration to Great Britain, Canada, and the United States, where Irish immigrants quickly became the nation’s second-largest ethnic group.

# data[].attributes.body
With their formation, construction and operation, they brought profound social, economic and political change to a country only 50 years old.

# data[].attributes.body
The cotton Gin , invented by Eli Whitney in 1793. It removed seeds from cotton fibers. Resulted in more cotton production and more slaves are needed for more acres of cotton fields.

# data[].attributes.body
Steam Travel

innovative engine that considerably sped up boat transport and reduced prices of shipping commodities. Steamboats became the main venue for transport.

# data[].attributes.body
The expansion of the marketplace that occurred in early nineteenth-century America, prompted mainly by the construction of new roads and canals to connect distant communities together for the first time.

# data[].attributes.body
German revolutionaries fled Europe and immigrated to the United States. Several of the '48ers came to Wisconsin, changing the culture and history of the state in the mid-19th Century.

# data[].attributes.body
This "System" consisted of three mutually reinforcing parts: a tariff to protect and promote American industry; a national bank to foster commerce; and federal subsidies for roads, canals, and other "internal improvements" to develop profitable markets for agriculture.

# data[].attributes.body
The origins of the Democrats are in the Democratic-Republican party, organized by Thomas Jefferson in the late eighteenth century

# data[].attributes.body
Historical American political party having similar beliefs and came together over their opposition to the administration of President Andrew Jackson.. .

# data[].attributes.body
Authorized the president to grant unsettled lands west of the Mississippi in exchange for Indian lands within existing state borders

# data[].attributes.body
The policy of protecting the interests of native-born or established inhabitants against those of immigrants.

# data[].attributes.body
The second federally authorized Hamiltonian national bank in the United States during its 20-year charter from February 1816 to January 1836.

# data[].attributes.body
A deal between the United States and France, in which the U.S. gained 827,000 square miles (doubling the size) of land west of the Mississippi River for $15 million.