# data[].attributes.body
To improve efficiency, however, manufactures designed products with interchangeable parts, identical components that could be used in a place of one another.

# data[].attributes.body
Social Darwinism encouraged racism, the unscientific belief that one racial group is superior to another. By the 1800s, many Europeans and Americans claimed that the success of Western civilization was due to the supremacy of the white race.

# data[].attributes.body
By the 1870s, a group of painters took art in a new direction, seeking to capture the first fleeting impression made by a scene or object on the viewer's eye. The new movement, known as impressionism, took root in Paris, capital of the Western art World.

# data[].attributes.body
Businesses formed giant corporations, businesses that are owned by many investors who buy shares of stock. With large amounts of capital, corporations could expand into many areas.

# data[].attributes.body
By the 1890s, the Italian pioneer Guglielmo Marconi had invented the radio. In 1901, Marconi received a radio message, using Morse code, sent from Britain to Canada.

# data[].attributes.body
By the early 1900s, manufacturers had introduced another new method of productions, the assembly line. Workers on an assembly line add parts to a product that moves along a long belt from one work station to another.

# data[].attributes.body
Chemists created hundreds of new products, from medicines such as aspirin to perfumes and soaps. New chemical fertilizers played a key role increasing food productions as well.

# data[].attributes.body
The internal combustion engine powered more than cars. American bicycle makers Oliver and Wilbur Wright designed and flew a flimsy airplane. Becoming a new way of transportation.

# data[].attributes.body
In the late 1800s, a new power source, electricity, replaced steam as the dominant source of industrial power.

# data[].attributes.body
Nikolaus Otto, invented a gasoline-powered internal combustion engine. People laughed at the "horseless carriages", but they quickly transformed transportation