Approximately how old is the great wall of china

During the cold war, which of the following groups of countries would have all been"behind the iron curtain"

Put the following events in the correct chronological order: i. new state constitutions are formed. ii. declaration of independence is signed. iii. second continental congress writes the articles of confederation. iv. special conventions are convened to produce fundamental laws for the states. a. ii, iii, iv, i b. ii, iv, i, iii c. ii, i, iv, iii d. ii, i, iii, iv

The battle of fort wagner is most important for which