What does president nixion suggest is the first challenge facing the new president

Which item best completes the chart?

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.

Explain how scientist from the scientific revolution and the catholic church tie together