I'd say lowering the prices per acre of land because it made it more affordable for people to buy land.
Answer:
c:It created a way for people of Africa descent to return to their homelands
All through out the Cuban Missile Crisis, the U.S. was in def con 5. Which is 1 step away from Nuclear warfare. If JFK was less cool about everything, the world would have gone into nuclear warfare. I suggest watching this vid it gives you more of an idea of what it was like :)
https://www.youtube.com/watch?v=bwWW3sbk4EU
Answer: Climate change, water supply, building materials, quality of soil, climate, shelter and defence
Explanation: Climate change because climate change can have positive affects and negative affects on the environment. In this case, the climate change had a negative affect. A common factor in the location of each of the first settlements is water supply, building materials, quality of soil, climate, shelter and defence