Portugal took the lead.
Spain, since it was the first with Cristopher Columbus in 1492.
England
Europe
france
England and the US.
When you are adding/colonizing a new piece of land to a already established country, it is called annexing.You can annex via peaceful diplomatic negotiations, or full out war.Most commonly however annexing is done by warfare. An example of this is World War Two when the Nazi's took over large amounts of Europe.
Close to Africa and facing the Atlantic, Spain, and Portugal were well-placed to lead the maritime expansion of Europe.then, portugal took the lead in 1419
Germany!
Germany
france
Germany