The u. s. federal government raises revenue from individual and corporate income taxes, social insurance taxes, and other sources (including excise taxes, tariffs, and payments to cut timber on federal lands).
the largest share of federal revenues comes from

Individual income tax - 44%

Corporate income tax - 13%

Social insurance taxes - 35%

Explanation:

Revenue is the income which is generated by the government through the taxes which involves the social insurance taxes corporate and individual taxes  and other sources , that comprise of tarrifs, excise, payments to cut the timber on the federal lands and taxes.

So, the largest and the highest share of the federal revenue is generated or comes from the social insurance taxes which is around 35% followed by Individual income tax, which is around 44% and the corporate income tax, which is around 13%.

answer; /// blank(1); increases; blank(2); decreases;

options ?

explanation: