Which of the following facts shows the Indus Valley's high level of sophistication? 1.They planned their cities along a grid.
2.They crafted detailed and expensive jewelry.
3.They lasted for 2000 years.
4.They built towers of over five stories.

The articles of confederation allowed congress to: make and borrow money. declare war. create a postal service. all of these choices are correct.

Why do many scientists suppose the land bridge theory of migration?

Why was the sixteenth amendment important to woodrow wilson’s efforts to regulate the economy? a) the sixteenth amendment lowered interest rates charged by banks. b) the sixteenth amendment allowed congress to levy an income tax c) the sixteenth amendment lowered tariffs on imported goods d) the sixteenth amendment allowed congress to break up monopolies