Us immigration system and why is it broken?

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

Which type of fungus is shown in the diagram

Which of these persons was a co-founder of twitter? eric schmidt jack dorsey tim cook paul alle