Complex sentence: During the period 1940-50, the Asian Republics started establishing archaeological institutions in their respective countries, and among them the South Turkmenistan Complex Archaeological Expedition was established in 1946 by Masson under the aegis of the Turkmenistan Academy of Sciences to carryout explorations at several locations.
Split into simpler sentences: During the period 1940-50, the Asian Republics started establishing archaeological institutions in their respective countries. Among them, the South Turkmenistan Complex Archaeological Expedition was established in 1946 by Masson under the aegis of the Turkmenistan Academy of Sciences to carryout explorations at several locations.