How many seats would the Democrats need to control the Senate?

In a group discussion, which of these is the best example of synthesis claims into a single conclusion?

What led to violence in kansas in 1854? a.) northerners and southerners disagreed over the results of the slavery vote. b.) people in kansas wrote the fugitive slave law. c.) people voted for kansas to be a free state. d.) nebraska was split into kansas and nebraska

Many young people traveled by train out of the midwest in search of new opportunities during the 1930s. what term is used to describe their actions