Complex sentence: During the 1990 elections in the Lithuanian Soviet Republic, Sąjūdis won an absolute majority--101 out of 141 seats--and this led to the declaration of independence on March 11,1990.
Split into simpler sentences: During the 1990 elections in the Lithuanian Soviet Republic, Sąjūdis won absolute majority-101 out of 141 seats. That lead to the declaration of independence on March 11,1990.