-the Arabian Peninsula all the way to modern Spain in the west and northern India in the east were impacted

-fostered the development of a religious, political, and cultural commonwealth and the creation of a global empire.

-India, Europe, and beyond

-the critical transition that resulted in the birth of agriculture

-all consumers in the world, particularly the poor

-the production of cereal crops tripled with only a 30% increase in the land area cultivated

-gunpowder and European diseases lead to the collapse and death of the Aztec, Mayan and Incan civilizations at the hands of the Spanish Conquistadors

-revolutionized how wars were fought and changed weaponry forever

-local communities, trade networks, working men and working woman

-increased production and efficiency, lower prices, more goods, improved wages, and migration from rural areas to urban areas

-Nearly 700 species, including endangered ones, are known to have been affected by plastics

-great protective and preservation value

-Eurasia, Africa, and the Americas

-opened the way for European countries to colonize and exploit those lands and their peoples

-6.8 million people are displaced within Syria

-a source of significant instability in the Middle East since 2011

-changed the course of history as the commander of the Apollo 11 mission, landing humanity on another celestial body for the very first time and fulfilling President John F. Kennedy's goal of landing humans on the Moon by the end of the decade and returning them safely to Earth

-The moon landing taught us about the composition of the moon, It gave us the first perspective of the Earth from Space

-helps developing economies build their trade capacity and stimulates economic growth and employment and supports the integration of developing countries into the international trading system

-to help its members use trade as a means to raise living standards, create jobs and improves people's lives

-quickened the spread of knowledge, discoveries, and literacy in Renaissance Europe

-allowed the publishing business to grow

-made it easy to share memories by letting users post photos and videos and tag people in them

-making it easy for people to connect with each other, from all over the world and is a way to find and connect with friends and remain updated on their activities

-over 87 million users were affected

-alleged misuse of Facebook data raised a host of new questions about the social media giant's role in the public discourse and elections

-allowing the Persians passage to the Southern areas in Greece, The Persians killed King Leonidas in the battle, and their leader ordered the crucifixion of Leonida's body to scare the Greeks

-allowed for Xerxes' passage into southern Greece, which expanded the Persian empire even further

- Germany eventually shifted its strategy away from the Western Front to initiate submarine warfare, which played a part in bringing the United States into the war

-diverting the German Army from its offensive at Verdun intended to bleed the French army white, i.e. deplete it of soldiers, during WW1

-The two atomic bombs dropped on Japan in 1945 killed and maimed hundreds of thousands of people, and their effects are still being felt today

-The bombing of these cities in August 1945 brought an end to the Second World War, but at a terrible cost to the Japanese civilians a great deal