Answer:
D. Southerners cited tariffs protecting domestic industries as a major grievance against the United States government
Explanation:
The factor that most supports the idea that regional economic differences were a major cause of the civil war is "Southerners cited tariffs protecting domestic industries as a major grievance against the United States government."
The above statement shows that southerners were complaining about tariffs is favoring the northern region because it protects domestic industries. The northern region of the United States has an economy based on industries in which tariff is protecting for them, however, the Southerners don't like that situation.
A problem could've been that the Soviet Union took more than they should've. This could cause tension and lead to a war.
<span>Nationalism helped lead to WWI because it caused conflict
because nationalism is the feeling that one nationality is better than the other</span>
Answer:
He promised to solve the problems caused by WW1, by condemning thosee responsible (Jews and others)
The genocide of the European Jews. so your second sentence is correct
