For the first question it Basically means, how did the invention (which is the cotton gin) affect slavery. In this case, it affected slavery in the US because this made it easier for slaves to pick cotton but it increased the work for slaves which was great for white owners but bad for slaves
<span>The twenty-sixth amendment supports that U.S. citizens who are over 18 can vote. During World War II, President Franklin Roosevelt lowered the minimum drafting age from 21 to 18, this led to a lot of protests and oppositions, and so the popular rally saying was "Old Enough to Fight, Old Enough to Vote" was established. Passed and Ratified by Congress in 1971, 26th Amendment granted the right to vote at age 18.</span>
The correct answer is the Freedman's Bureau.
The Freedman's Bureau was set up to create schools and churches , supply food and clothing, and solve employment issues for the former slaves
Amount of room hannah can paint in an hour = 1/20
amount of room destiny can paint in an hour = 1/16
number of hours = x
1/20x + 1/16x = 1
the reason why this formula is true is, the amount of the room painted in the end should be 1 (the whole room)
4/80x + 5/80x = 1
9/80x = 1
9x = 80
x = 80/9 hours
<span>x = 8.89 hours</span>