The explosion of the USS Maine : - proved to Americans that President McKinley was a weak leader.
- rallied Americans against Spain, though Spain may not have been responsible.
- formed a bond between Americans and Cubans that still exists today.

roosevelt essentially took the opposite approach as hoover in taking on the great depression. herbert hoover thought that america and its economy could naturally recover from the depression in due course, so he adamantly restrained the federal government from intervening on behalf of the people affected. on the other hand, roosevelt dramatically increased employment by expanding the federal government and establishing agencies that would aid in relieving some of the country's worst problems.

governments establishing monopolies for business should be the correct answer.

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hope this : )