Why were caravels able to sail against the wind but other ships couldn't?

How was america transformed from a peacetime to a wartime economy? what were the steps that america took to mobilize for their war with the axis powers?

Do international treaties such as the Kyoto Treaty undermine United States sovereignty? Why?

Connect east africas geographic proximity to the indian ocean to its historic development. How might the region have developed differently if it were in an island desert or mountainous area?

Who knows what is the judicial branch

The firebombing of tokyo caused heavy damage to the city but

In a political sense, how did the Battle of Fredericksburg affect Lincoln the most? People questioned his ability to lead the nation during war. He knew his party would get all the blame. He knew he would probably lose the next election.

What did Stalin declare could not exist together?

After world war 1 how did japan gain economic influence in china

How do the rights and responsibilities of U. S. citizenship reflect American national identity?

When did the age exploration begin