Answer:
The correct answer is B,C,D.
Explanation:
More than twenty thousand people joined the final, successful Selma to Montgomery march to show they supported the civil rights movement.
The first time marchers tried to cross the bridge, they were attacked and beaten by state troopers.
Many Americans were sickened by what they saw on television.
Answer:
In 1939, Germany and the Soviet Union secretly invade Poland.
I think it was because transportation was made way easier and it offered better options for people who wanted to travel. Also i believe at the time the west was rich because of the foreseen treasures such as gold found there so people wanted to travel west to get rich.