It depends on the war.
It didn't gain any land. It did lose a lot of land, though.
He explored America to gain land for Spain.
the us gained land
This is a well-known way: (6 steps) lose lone lane land laid lain gain
Parts of Spain.
To gain new land for Spain, his country.
The Philippines, Guam, Cuba and Puerto Rico.
The opportunity to gain lots of wealth from the new land.
As no actual war is specified, the question is unanswerable.
Lots of people die. Land, money, and power are lost if you lose. If you win you can gain land, money, and power but still lose all three.
Lose
land loses heat faster than H20