Which of the following is a requirement for all U. S. citizens over the age of 18? serve in the U. S. military
attend a public school
respond when summoned to jury duty
apply for naturalization

pretty sure it is c

explanation:

a plantation economy is an economy based on agricultural mass production, usually of a few commodity crops grown on large farms called plantations. plantation economies rely on the export of cash crops as a source of income.

i hope this : )