It’s the passage of the indian removal act i took the test
The Berlin airlift, organized by the United States, was aimed at giving goods/resources to citizens of West Berlin. This airlift lasted roughly a year and the US provided over 2 million tons of cargo to these citizens. Without this airlift and support from the United States, West Berlin was in danger of falling under the control of the Soviet Union (who at this time already controlled East Berlin).
B- because Lewis and Clark is the only one from the past. It also says an informative essay and an explanation is informative
