C. Discovering vaccination and microbial fermentation
A microbiologist who discovered microorganisms cause fermentation. Eg. leading to food spoilage
When different civilizations start sharing, there's obviously a first exchange of goods that both groups had. Usually one culture will offer their food to the other while the other will offer them something else - either material good or food as well.
B. Progressivism
A political movement that crossed party lines which believed that industrialism and urbanization had created many social problems and that governments should take a more active role in dealing with these problems.
Answer:
It is hard to imagine World War II without the United States as a major participant. Before the Japanese attack on Pearl Harbor in 1941, however, Americans were seriously divided over what the role of the United States in the war should be, or if it should even have a role at all. Even as the war consumed large portions of Europe and Asia in the late 1930s and early 1940s, there was no clear consensus on how the United States should respond.
Explanation:
During any kind of election there are political parties,a group of individuals with broad common interests who organize to nominate candidates for office, win elections, conduct government, and determine public policy, a two-party system,An electoral system with two dominant parties that compete in national elections, a third party,a political party organized in opposition to the major parties in a two-party system, and a platform,a document stating the aims and principles of a political party.