I'm pretty sure it would be B, because the tensions between most groups are mainly to do with religious differences, especially relating to the belief of how many gods exist.
Glosnost (sp?)- the opening of the USSR to the rest of the world and western goods/ideas.
Answer:
Racism, slavery and segregation.
Explanation:
African Americans were enslaved and were seen as less because of the color of their skin which is horrible. They were also segregated, which means that they were seperated from white people because white people thought they were better only because of their skin color (which is wrong).
You should look up Progressivism. Progressivists dealt with a lot of reforms in the early 1900s.
Alternatively, try looking up “US health bills since 1900.” If you need a starting point, look up the Pure Food and Drug Act/Meat Inspection Act (both in 1906) and Upton Sinclair’s “The Jungle,” which had a particularly large impact on meat inspection.
