They simply send their armies to the country, take over it and claim it as their own. Most colonisation was done around 600 years ago when much of the world, such as the Americas and Australia, was inhabited by tribal communities.
the country gets bigger if it colonizes another one because it is their property now
Colonizers tended to underestimate the importance of their technology in enabling them to colonize other countries.
No. Since Mexico became an independent nation in 1821, it hasn't tried to conquer or "colonize" other countries.
Most nations imperialize or colonize in order to gain the resources of the other nation. Usually, one nation will not colonize another if that nation will fight against it.
japan
spain
libya and somalia
World wide
NONE
italians for 60 years, Brits for 10 years and etiopians for 30 years
canada and some other country i can not think of right now
Pakistan has never had the power to create foreign colonies.
Holland colonized...I'm not sure actually