Why did the egyptian civilization develop without outside influence?

How did the house of wisdom contribute to social developments during the golden age

What was the historic border between the united states and mexico?

All of the following were weaknesses of the articles of confederation, except: a) the central government was not permitted to regulate state, interstate, or foreign trade. b) the central government was not permitted to borrow money. c) the central government had little ability to regulate money. d) the central government had no ability to tax.