Who controls how federal aid is spent under Nixon? Under JFK/LBJ?

Explanation:

you have LBJ to thank for Medicare, Medicaid, and Head Start. He championed the right for minorities to vote, buy homes, and go to school the same as whites. Johnson's Great Society program created the National Endowment for the Arts, the Public Broadcasting Corporation, and drivers' education.3

You also have him to thank for the scar of the Vietnam War, which he escalated but could not win.

LBJ's increased government spending added $42 billion, or 13%, to the national debt. It was almost double the amount added by JFK, but less than a third of the debt added by President Nixon. Since Johnson, every president has increased the debt by at least 30%

It also boosted gross domestic product during Johnson's term. As a result, LBJ was one of the few presidents to avoid any recessions. The unemployment rate fell during the years he was in office.

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what are the options ?