Why might the atlantic ocean have appeared to shrink in the late 1930s?

Which of the islamic empires (ottomans, mughals, safavids) were the most influential and why?

Before the civil war, the constitution protected slavery -true -false

Me! will mark brainiest! essential questions: • for what reasons will one group of people exploit another? focus questions: • what influenced the development of the south more: geography, economy or slavery? • what were the economic, political and social arguments for and against slavery in the first half of the 19th century?