C.)There are things government is not allowed to do.
Answer:
c) The nation faced serious economic and political problems
Explanation:
Answer: European diseases had killed much of the native workforce
Explanation:
The fact that many natives died due to European diseases was an important reason why Spanish plantation owners used enslaved Africans instead of enslaved natives.
Answer:
Reasons of migration
Persecution because of one's ethnicity, religion, race, politics or culture can push people to leave their country. A major factor is war, conflict, government persecution or there being a significant risk of them.
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Answer:
Option A
Explanation:
The population in North America is driven by the oil because all mining, drilling and oil extraction activities are carried out in North America. Due to this economic patterns there is growth in jobs that led to immigration of ethnic groups from Europe, Africa, and Asia. These ethnic groups have high fertility rate and hence their population increased rapidly. These people have immigrated to North America for the billions of dollars and millions of jobs provided by mining and oil drilling.
Hence, option A is correct