Improvements in transportation led to A. Lower shipping costs for goods
B. Fewer settlers moving westward
C. increased communication times
D. Higher prices for empty lands

A- lower shipping costs for goods

Explanation:

Being that the goods got where they had to be quicker, it was less money to move them

c

the articles of confederation placed most of the power on the feds

answer: alexander hamilton

explanation: alexander hamilton was george washington's right hand man. he took an early role in the militia as the american revolutionary war began. in 1777, he became a senior aide to general washington in running the new continental army.