Concurrent power is a political power independently exercisable by both federal and state governments in the same field of legislation - A federal system of government shared by both the federal government and each constituent political unit (such as a state or province). Therefore, the correct answer is establishing courts.
Answer:
Convergent evolution
Explanation:
Convergent evolution is defined as the phase where similar characteristics evolve in species which are not very close connected independently. Adaptations can takes the form of similar physical shapes, colors, organs & other adaptations. Convergence happens when organisms need to evolve to exactly same environmental conditions.
It can also happen when two distinct organisms have or perform similar function.
The correct answer is GOVERNMENT REGULATIONS.
Fractional reserve banking is a banking practice, in which a bank is expected to put on reserve a particular fraction of the money it receives as deposits from customers. The central bank of each country regulate the commercial banks and stipulate the amount of money that the banks must hold as reserve per time.