"How many countries does the United States have troops in right now?" Good question, of those countries, how many asked them to be there? Or invited them in? Or granted them permission to be there? Let's look from 1990.
Invasion of Panama 1989... Oh look we were assisted by Panama to "invade" their own country.
Gulf war '90
Assisted by Kuwait, UK, Saudi Arabia, France, Canada, Egypt, Syria, Qatar, Bahrain, UAE, Oman.
Opponent? Iraq
Iraqi No-Fly Zone enforcement ops. '91-03
Assisted by: UK(2), France(2), Australia, Belgium, Netherlands, Saudi Arabia (2), Turkey, Italy.
Opponent? Iraq.
First US intervention in the Somali Civil War 92-95
Assisted By: UK (3), Spain, Saudi Arabia (3), Malaysia, Pakistan, Italy (2), India, Greece, Germany, France (3), Canada(2), Botswana, Belgium (2), Australia (2), New Zealand.
Opponent? Somali National Alliance.
Bosnian War 92-95
Assisted By: BOSNIA and Herzzegovina (not really an invasion if they help us, is it?), Croatia,
Belgium (3), Canada (3), France (4), Germany (2), Italy(2), Luxembourg, Netherlands(2), Norway, Portugal, Spain(2), Turkey(2), UK(4)
Opponent? Republika Stpska, Serbian Krajina, Western Bosnia
THe pattern continues with Kosovo War, 98-99, retaliatory War on Terror (Afghanistan, which, was assisted by Afghanistan... So how can we invade if the country that we're "invading" is helping us?
Iraq War '03-11 (assisted by the Iraqi government.
2nd US intervention in the Somali Civil War. (Assisted by Somalia)
International intervention in Libya. Assisted by Rebels in that country '11.
Operation Observant Compass: (ongoing) Location: Uganda. Assisted by? Uganda.
American Intervention in Iraq '14-present. Assisted by? Iraq.
American led intervention in Syria. Assisted by? Syria....
So, you mind telling me where, since the 90s, USA has gone to invade to claim territory?
Actually, the last time US claimed any territory was in the mid 20th century.
Maybe you're the delusional one... Just sayin'