3. Which of the following best describes the railroad's primary contribution to economic development in the United States?
A Reduced the protective tariff on foreign goods
O B Enabled trade to most parts of the country
C Allowed more immigrants to enter the country
D Lowered shipping costs to the United States

B

Explanation:

a social contract.

"a social contract is an agreement between citizens and their leader where the citizens give up certain freedoms in exchange for protection. the constitution of the united states is an example of a social contract."

answer by yourhope:

the speaker of which statement would be best served by joining an interest group?

i want politicians to make more of an effort for lgbt rights!

: )