What do haymarket, homestead, and pullman have in common? leaders of large labor unions wealthy business leaders violent labor strikes

What do Haymarket, Homestead, and Pullman have in common?

violent labor strikes

answer: the answer is a. double jeopardy

explanation:

in mcculloch v. maryland (1819) the supreme court ruled that congress had implied powers under the necessary and proper clause of article i, section 8 of the constitution to create the second bank of the united states and that the state of maryland lacked the power to tax the bank.

gibbons v. ogden, (1824), was a landmark decision in which the supreme court of the united states held that the power to regulate interstate commerce, granted to congress by the commerce clause of the united states constitution, encompassed the power to regulate navigation.