So my teacher just gave us a study guide and it has about 75 questions on it, and our test is Monday which gives us three days to Study, any tips on how I should study?

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.