Which statement is TRUE?

GDP rose during the recession that began in late $2007,$ sharply decreasing the U$.$S$.$ debt$-$to$-$GDP ratio.

The U$.$S$.$ debt$-$to$-$GDP ratio rose from the end of World War II to the $1980$ s$.$

The U$.$S$.$ debt$-$to$-$GDP ratio fell in the $1990$ s under President Clinton due to budget surpluses.

In the $1980$s$,$ the U$.$S$.$ debt$-$to$-$GDP ratio decreased due to increased spending on the military and tax cuts.