No. Britain wasn't making any posture against Argentina at the time, and the ensuing war came at a bit of a cost.
Argentina invaded the Falkland Islands which Britain claims as their territory.
The British call it the Falkland Islands because of the Falklands war, they claimed sovereignty at that time, but the Spanish claim that it should be called the Malvina Islands due to it being located in Argentina. The dispute has been going on for several years, but after the death of Margaret Thatcher the islands have agreed to stay British.
Falkland Islands
Falkland islands
The Falkland Islands are closest to Argentina.
The Falkland Islands are off the east coast of Argentina in South America.
Many geographers have said that oil deposits were found in the Falkland Islands
Argentina
The Falkland Islands are around 300 miles of the coast of Argentina.
The "Malvinas" are the Falkland Islands. Argentina claims sovereignty over these islands
Falkland Islands
The Falkland Islands