Yes, the Greeks did colonize present day Spain. They ruled the area in the 8th through 6th centuries BC.
There aren't enough arable land in Greece. 3/4 of the land is mountainous. Another reason is over population.
Overpopulation in such a poor countryside.
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.
pizza
japan
spain
libya and somalia
Libya and somalia
World wide
NONE
italians for 60 years, Brits for 10 years and etiopians for 30 years
None. Some countries export goods to Greece and others import goods from Greece.