What two new weapons systems of the early 20th century enabled the navy to fight over and under the surface of the ocean?

Volcanoes along convergent ocean plate boundaries may form

Were Black Codes just slavery in another form? Why or why not?

At its height in the third century CE, Axum civilization dominated trade in northeastern Africa and accumulated tremendous wealth. How did depletion of natural resources lead to the civilizations decline

What are some of the key geographical features of the russian region?

Which resulted from the rise of Islam in sub-Saharan Africa?

Why did government finances in France come close to collapse in the 1780s? a) rising prices. b) manufacturing. c) food shortages. d) over-spending.

Why did the united states do as a result of the roosevelt corollary apex?

How did the stock market crash affect business?

Describe the Persian war

In "Everydau Use," what does Dee's name change most likely represent?