Why might one study world history by entire eras rather than by separate dates and events

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

Which of the four planes was hijacked first? a.flight 175 b.flight 77 c.flight 11 d.flight 93

Why do you think this exchange happened in a private meeting?