What policies regarding big business was Roosevelt able to
implement?

Square Deal

Explanation:

His "Square Deal" included regulation of railroad rates and pure foods and drugs; he saw it as a fair deal for both the average citizen and the businessmen. Sympathetic to both business and labor, Roosevelt avoided labor strife, most notably negotiating a settlement to the great Coal Strike of 1902.

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answer: what was the us involvement in ww1? although the u.s. tried to remain neutral when ww1 broke out, it finally joined on april 6, 1917 after declaring war on germany. the reason for america to become involved in ww1 was germany's unrestricted submarine warfare, which had already sunk several american merchant ships.

explanation:

it maybe, we dont know. however lucky the lipercon seams guilty