The Falkland Wars

What is the Spanish name of the Falkland Islands that also gives the alternate name by which these wars are referred to?

Islas Malvinas from which we get Malvinas wars

What is the name of the Lieutenant general, who was also the president of Argentina, under whom the Argentinean military gave up all hope on long running negotiations with Britain and launched an offensive on the islands?

Leopoldo Galtieri

Who was the Prime Minister from the Conservative Party during the Wars?

Margaret Thatcher

Which neighbour of Argentina maintained a state of alert against argentina although most Latin governments sympathized with Argentina over the war, owing to disputes over islands in the Beagle Channel?

Chile

What is the name of the Argentine cruiser that was sunk by a British submarine outside war zone declared by Margaret Thatcher?

General Belgrano