The balkans were called the “powder keg of Europe bcuz”

the second on i think

Explanation:

the answer is "by providing data about careers and annual mean wages"

worcester v. georgia, legal case in which the u.s. supreme court on march 3, 1832, held (5–1) that the states did not have the right to impose regulations on native american land. andrew jackson refused to enforce the ruling, the decision form the basis for most subsequent indian law in the united states.