How did technology affect WWI? What were new weapons of WWI?

What effect, if any, did America's entry into World War I have on the outcome of the war? Why?

In the late 1800s and early 1900s, what was the difference between "new" immigration and "old" immigration? "Old" immigrants were from western Europe, and "new" immigrants were from eastern and southern Europe.

What started the Salem which trials

The 18th Amendment prohitation was reversed by the what Amendment?

The ethnic nationalist movement in which country is also a unification movement

Which two new groups of people became part of the Virginia colonies after 1619

Cuando comenzó la edad media

What role did the Mediterranean and Aegean seas play in the development of the culture of Ancient Greece

Which of the following statements about the culture of the ancient Olmec civilization is true? Their beliefs and culture basically disappeared after the Spanish conquest occurred Their culture and traditions are largely based on the Aztecs who came

What effects did the three worlds colliding have on development in North America? (Native Americans, Europeans, and Africans)