Answer:
European encounters with Africa had occurred for hundreds of years. It affected the Africans so some were brought into slavery.
Explanation:
So States were disappearing. And new States joined the slave trade and became wealthy and powerful.
The open door policy was received with almost universal approval in the united states and for more than 40 years it was a cornerstone of america foreign policy in east Asia.
There was the compass and the astrolabe
The roles of Athenian women in the 5th century BCE were primarily those of wife and mother. The Athenians, in their patriarchal society, selected models for women based on the divine and heroic orders. The divine order subjected the female duties to their male counterparts.