Why have some historians rejected the labels bc and ad as laels for periods in world history

Which statement accurately describes a difference between the declarationof independence and the u. s. constitution? a. the u. s. constitution established rules for the u. s. government, while the declaration of independence did not. b. the u. s. constitution listed the colonists' reasons for rebellingagainst great britain, while the declaration of independence didnot. c. the u. s. constitution is based on ideals from the enlightenment, while the declaration of independence is not.0d. the u. s. constitution created a very weak central government, while the declaration of independence created a strong one.

What did the u. s. want to build on the land acquired through the gadsden purchase?

Which word best describes early america foreign policy ?