Alexander The Great's generals divided into 3 kingdoms ruled by his former commander
Answer;
He worked to help Soviet Jews immigrate to Israel.
Explanation;
-A major contribution of Natan Sharansky was that he worked to help Soviet Jews immigrate to Israel.
-Natan Sharansky was an Israeli politician, human rights activist and author who, as a refusenik in the Soviet Union during the 1970s and 1980s, spent nine years in Soviet prisons. Through his efforts he helped the Soviet Jews to immigrate to Israel.
The continents that contain the Roman Empire are Europe, Africa and Asia.\
Hope this helps.
I think it's B First Christian sailor