An invasion.
The country can defend itself should another country attack it.
Invasions involve the aggressive entry of armed forces into a country or territory which is not their own with the intent to conquer or establish control over its inhabitants. Invasions can lead to war or indicate the end of a war.
Yes, America's armed forces belong only to America. We do not share it with another country.
An invasion is when one country sends its armed forces into another without agreement, and with hostile intentions towards that country.
An armed attack refers to a violent act involving the use of weapons or military force against a state, group, or individual, typically with the intent to cause harm or damage. This can include actions such as bombings, invasions, or assaults. Under international law, an armed attack can justify a country's right to self-defense. The term is often used in the context of conflicts and disputes between nations.
I am not sure
I am not sure
Invaded means going with armed forces into another country. An invasion may be done against an enemy country, or to liberate a friendly country from an enemy, or for other strategic reasons.
One would conquer the world, meaning to take control of it by armed force.
An invasion is when one country sends its armed forces into another without agreement, and with hostile intentions towards that country.
Costa Rica, in Central America, is a little country that has not a permanent armed force.
Any country whose borders are under attack would, initially, put their armed forces on alert, and on a war footing. Then, possibly, conscription of able bodied males would be enforced.