After WWI and during the Great Depression the US tried to be an Isolationist nation. They put out tariffs so people would buy US (forgetting that the rest of the world was still devastated by WWI (economies included)).
The true statements are these:
<span>A.) The first time marchers tried to cross the bridge, they were attacked and beaten by state troopers.
B.) Many Americans were sickened by what they saw on television.
There were roughly 2,000 (not 20,000) who made the successful march from Selma to Montgomery, March 21-25, 1965. When they arrived in Montgomery, they were met by a crowd of nearly 50,000 supporters, both blacks and whites in that supportive group.
</span>
Answer:
It encouraged African-Americans to become politically active and racially conscious.
Explanation:
Another crucial development was the use of a steel frame instead of stone or brick, otherwise the walls on the lower floors on a tall building would be too thick to be practical. ... Further developments led to the world's first skyscraper<span>, the ten-story Home Insurance Building in Chicago, </span>built<span> in 1884–1885.</span>
You multiply the base by the height and then divide by 2
[(base) x (height)]/2 = area of a triangle
