Which of the following statements about the articles of confederation is true? A. It was the nation’s first constitution. B. It established separation of powers with checks and balances. C. It created a bicameral legislature. D. It could only be amended by a two-thirds vote of states

answer; people where able to travel across the u.s.a faster than any other mode of transportation,travel time was about a week,from coast to coast

i believe the answer is d.

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."