Answer:
some empires inveneted things that we dont no about that could be useful
Explanation
when the roman empire fell medical books where burnt and thoose medicines could be still uncovered by us. so by studying them we might be able to discover inventions and discoveries that they made.
I believe the movement of water is known as the ocean current.
Answer:
-the passage of Title IX. -The growth of women’s studies programs in education. -Higher numbers of female elected officials
Explanation:
I think it is to help the president make certain decision and if he/she dies they take over
It was composed of war captives and Christian youths pressed into service; all the recruits were converted to Islam and trained under the strictest discipline. It was originally organized by Sultan Murad I. The Janissaries gained great power in the Ottoman Empire and made and unmade sultans.