Which of these powers belongs exclusively to states?

In federalism, the sovereignty is divided between a central government and constituent units. The power is divided into three types; exclusive Federal powers, exclusive State powers and concurrent powers. Exclusive powers are those which are reserved for either federal or state governments. While concurrent powers are shared by both federal and state governments. Issuing licenses, Regulating interstate business, conducting elections, establishing local governments, ratifying amendments to the constitution, Taking measures for public safety are exclusive state power. while printing money, regulating interstate and international trade, declaring war, making treaties and foreign policies, maintaining army and navy are Federal powers.

the answer wold be b) travel among nations should be regulated by an international organization

legal rights and freedom of speech.i hope that it is correct.

brainliest if correct