Which problems has nigeria faced as an independent nation choose all answers that are correct ethnic clashes internally displaced persons loss of gold reserves religious conflict asap you

How does the principle of federalism affect the u. s. government? a. it guarantees that the united states will always be a representative democracy b. it ensures that the state governments have greater authority that the federal government c. it creates both separate and overlapping powers for the federal and state governments d. it divides the federal and state governments into three branches