What was the main economic activity of tribal people who first lived in the nile river valley?

What was one of the difficulties adams faced as president? a. european countries were trying to move back in on u. s. lands b. possible war with england; fighting between political parties c. problems with spain; trade disputes with russia d. census issues; problems with selecting a new capital

How did the constitutional convention deal with slavery , one the most divisive issues of the period

What was a major failing of the united states under the articles of confederation?