I think it is A because during trading a lot of traders were Muslim.
Communism advocates class war and leading to a society in which all property is publicly owned and each person works and is paid according to their abilities and needs.
Answer:
The amount of reparations Germany was required to pay, arguably set the stage for world war II.
Explanation:
The Treaty of Versailles set the stage for World War II in many ways: The peace settlement of the League of Nations blamed Germany for most things including starting the war and Germany was angry causing Germany to get back at them.
Most importantly, Article 231 of the treaty placed all blame for inciting the war squarely on Germany, and forced it to pay several billion in reparations to the Allied nations.
The most highly developed geocentric model was that of Ptolemy of Alexandria (2nd century ce). It was generally accepted until the 16th century, after which it was superseded by heliocentric models such as that of Nicolaus Copernicus.