Why were cities built around an acropolis?

1. what was the purpose of the communist international organization?

Will give brainlist need this answer asap which of the following groups made up the majority of those involved in the progressive movement? a) politicians b) farmers c) middle class d) factory worked

Which of the following improved u.s. relations with china? a. the open door policy b. the boxer rebellion c. the burlingame treaty d. the chinese exclusion ac