Ineed this to pass middle school.

a. once every 50 years
b. once every 500 years
c. once every 200 years
d. once every 100 years

Why did the belgian parliament pass laws to decentralize its government? a. to increase trade with neighboring luxembourg b. to decrease the political power enjoyed by the flemish c. to enable belgium to join the european union d. to reduce tensions between belgium's two main ethnic groups