When the supreme court makes a ruling on a case that serves to interpret a law passed by congress, it is an example of

Judicial review--the job of the Supreme Court to review and interpret law established in 1803.

Marbury v. Madison (1803) set the judicial review part of the Supreme Court's job. They stated in the decision they had the right to review legislation. 

In my honest opinion , i’d say franklin d roosevelt was a president that impacted our nation , i say this because fdr is voted among top three best us presidents and he was the longest serving president by 3 terms , usually presidents only supposed to have two terms increments of 4 years , equivalent to 8 years total before election time. and he established the fdic , through the 1933 banking act and he established the us , social security system , during his presidency, and established a national minimum wage , through the fair labor standards act , fdr led the allied coalition to victory in wwii and he played a major role in the creation of the united nations.