(C) For the longest time Europeans and other outsiders could not travel into central Africa due to the various disease they were not immune or accustomed to, as it meant almost certain death for anyone not native to the area.
Answer:
Weaver became the first African-American to hold a Cabinet position when he was appointed secretary of housing and urban development in 1966 by President Lyndon B. Johnson.
Hope that helps. x
The main way in which Jefferson does this is to use the phrase "we the people" when writing the Declaration of Independence, since this can be meant to mean the people of the entire world.
Using irrigation system was the practice closely associated with most ancient river valley civilization.
