Which option best completes this diagram?

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 a story containing the following points, which would likely occur last?

For each statement, select whether it is true of the central pacific railroad, the union pacific railroad, or both. it began in nebraska. it began in california. it went through the sierra nevada. it went through the rocky mountains.