What social or political ideas may prevent the rise of fascism in nations? What social or political ideas help it?

Which of these rose during the great depression?

How did the construction of the erie canal improve transportation in the united states in the 1820s? a. the canal connected the great lakes to the mississippi river. b. the canal connected the great lakes to the ohio river. c. the canal connected the atlantic and pacific oceans. d. the canal connected the great lakes to the atlantic ocean.

In 150 to 200 words, use evidence to compare the ideas of the abolition of the slave trade and the abolition of slavery