A. Great Railroad Strike, Haymarket Affair, Pullman Strike
The gold-salt trade developed between West Africa and North Africa since in<span> North Africa, gold was traded with West Africans who received salt, and on the other hand, North Africa also received gold. In exchange, they traded both commodities. Hope this answer helps.</span>
The first one is the answer
Federal government was given considerable regulatory power on commerce, as well as on interstate commercial maritime routes. Chief Justice John Marshall's interpretation clarified that Congress could regulate matters internal to a state that are fundamentally intertwined with interstate commerce, like the New York monopoly.Congressional power extended to all aspects of the regulation, overriding any state laws contrary to it.
