Help asap, this topic is about immigration

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.

What challenges did the united states face during the great depression? check all that apply. high debt high wages high unemployment a decline in the value of money and goods increased job stability failures of businesses and banks

Which statement describes the primary purpose of the european union? question 1 options: to protect european nations in the event of another world war to work together to strengthen europe and benefit all member nations to prevent alliances from forming between member nations to share resources and make economic trade easier between coal and steel companies