Answer:
I would say what was most important would be the adoption of agriculture. Humans no longer had to move around and spend their days solely focusing on finding food. Being able to settle down and make one's own food allowed humans to have free time, and create hierarchies and languages and art, creating societies and civilization.
The main reason why the African-American students in Greensboro, North Carolina staged a sit-in in 1960 was that they were racial discriminately denied a service in the restaurant there. Therefore, in an attempt to desegregate the South, they protested peacefully to the opposition by staging a "sit-in."
Because they set important trend so employees appealed frequently for court orders against unions.
In politics, a party platform simply refers to a group of issues that a political party, such as Republicans and Democrats, stand behind. For instance a leading Republican platform would be low taxes, pro life, etc.