The biggest challenges faced by the Jewish settlers who arrived in
Israel
beginning in the 1880s was introducing modern agricultural methods
to an
ancient culture.
Mosquito-borne disease in the wetlands represented another
challenge.
<span>D. All electors voted for both Thomas Jefferson and Aaron Burr.</span>
B.Two American Indians died.The answer is B I think.
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.