Complex sentence: After the collapse of the Soviet Union, Latvia's struggle for independence came to a conclusion: the sovereignty of the country was restored in 1991, and the last Soviet troops withdrew from the Republic of Latvia in August 1994.
Split into simpler sentences: After the collapse of the Soviet Union Latvia's struggle for independence came to a conclusion, the sovereignty of the country was restored in 1991. The last Soviet troops withdrew from the Republic of Latvia in August 1994.