(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:
<em>COLUMBIAN EXCHANGE</em>
<em>COLUMBIAN EXCHANGESections & Media</em>
<em>COLUMBIAN EXCHANGESections & MediaHomeSciencePlants</em>
<em>COLUMBIAN EXCHANGESections & MediaHomeSciencePlantsColumbian Exchange</em>
<em>COLUMBIAN EXCHANGESections & MediaHomeSciencePlantsColumbian Exchangeecology</em>
<em>COLUMBIAN EXCHANGESections & MediaHomeSciencePlantsColumbian ExchangeecologyCite Share More</em>
<em>COLUMBIAN EXCHANGESections & MediaHomeSciencePlantsColumbian ExchangeecologyCite Share MoreBY J.R. McNeill View Edit History</em>
<em>COLUMBIAN EXCHANGESections & MediaHomeSciencePlantsColumbian ExchangeecologyCite Share MoreBY J.R. McNeill View Edit HistoryFULL ARTICLE</em>
<em>COLUMBIAN EXCHANGESections & MediaHomeSciencePlantsColumbian ExchangeecologyCite Share MoreBY J.R. McNeill View Edit HistoryFULL ARTICLEColumbian Exchange, the largest part of a more general process of biological globalization that followed the transoceanic voyaging of the 15th and 16th centuries. Ecological provinces that had been torn apart by continental drift millions of years ago were suddenly reunited by oceanic shipping, particularly in the wake of Christopher Columbus’s voyages that began in 1492. The consequences profoundly shaped world history in the ensuing centuries, most obviously in the Americas, Europe, and Africa. The phrase “the Columbian Exchange” is taken from the title of Alfred W. Crosby’s 1972 book, which divided the exchange into three categories: diseases, animals, and plants.</em>
Answer:
Black codes were restrictive laws designed to limit the freedom of African Americans and ensure their availability as a cheap labor force after slavery was abolished during the Civil War
Explanation:
The organization Al Qaeda led by Osama Bin Laden was the perpetrator of 9/11
The correct order is the crust, mantle, outer core, then inner core.
