Answer:
1. War and insecurity 2. Economic crisis (poverty) 3. Overpopulation
Explanation:
1. War and insecurity - as example Syrian crisis and war against ISIS
2. Economic crisis (poverty) - mass immigration from Poland to USA in the late XIX and early XX century.
3. Overpopulation - mass immigration to Europe from African countries in the last few decades.
Answer:
Through OrganizationOver a long period of time, the peoplesolutions to deal with these problems. they dug irrigation ditches that carried river water to theirallowed them to produce a surplus of crops. built city walls with mud bricks.
Explanation:
Answer:
(D).The development of large saw mills rapidly expanded the lumber industry in Texas.
Explanation:
The answer is c just trust
