Amid a series of ethnic uprisings in the Europe in the 1800s, __________ was one of the few nations to gain independence.

Belgium gained independence from the Netherlands after a revolution in 1830, making it one of the few nations to achieve independence amid the ethnic uprisings of the 1800s. Czechoslovakia did not become independent until 1918, and Poland and Hungary did not gain independence during this period.

AI-written and checked against the verified answer.