Which event preceded the revolutions of 1989?

Find and simplify an expression for the area of five rows of square with side lengths of x

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

Did the west show signs of cultural decline in the 20th century?