Answer:Civilizations expand through trade, conflict, and exploration. Usually, all three elements must be present for a civilization to grow and remain stable for a long period of time. The physical and human geography of Southeast Asia allowed these attributes to develop in the Khmer civilization, for example.
Explanation:
Your answer is :
catamarans.
compasses.
mapmaking.
hope this helped you
Answer:
Explanation: 1) Stalin became the dictator of the USSR.-late 1920's
2) Khrushchev became the general Secretary - September 1953
3) De-Stalinization began- 1953 after Khrushchev achieved power
3) Sputnik was launched- May 1957
4 Yuri Gagarin became the first man in space-April 12, 1961
Answer:
Timbuktu was part of Songhai and Mali.