There’s this great app called Socratic where you can scan homework and it will help and give you a step by step explanation. I don’t know the answer to that but I hope this helped.
The world war 2 is the answer I think not sure
Headright system allowed settlers their own land
Answer:
B. the Tigris River and the Euphrates River
Explanation:
the region's semiarid climate didn't have much rainfall, with less than ten inches annually. This initially made farming difficult. the Tigris and Euphrates provided a source of water that enabled wide-scale farming.
The main cause of the second industrial revolution was, natural resources, abundant labor supply, strong government policy and new sources of power.