Keynesian economists stated that the recession of 1937 was a result of a premature effort to curb government spending and balance the budget. Roosevelt had been cautious not to run large deficits
Montgomery bus boycott, mass protest against the bus system of Montgomery, Alabama, by civil rights activists and their supporters that led to a 1956 U.S. Supreme Court decision declaring that Montgomery's segregation laws on buses were unconstitutional. The 381-day bus boycott also brought the Rev.(Britannica.com)
The supreme court tends to check congress more than the president because congress passes laws, which change the way the courts work in this country, so the supreme court is a major stake holder in what gets passed through acts of congress. Most of the time, a president is checked by the court through a bill they've thrown serious political muscle behind and gotten passed through congress. Great examples of the supreme court striking down presidentially endorsed acts of congress is the court striking down the Agricultural Adjustment Administration and the national Recovery Administration that FDR pushed for as part of the New Deal. This also nearly happened in recent times with Obamacare, where several components of the bill narrowly avoided being struck down by the supreme court. The supreme court can also check executive orders. The supreme court also struck down some elements of President Trump's muslim ban in the last month.