What event provided an opportunity for colonies across the world

The event that provided an opportunity for colonies around the world is Christopher Colombus's exploration of the New World, or the Americas. Here, the Americas provided plenty of natural resources and land, so many European countries decided to set up colonies in order to gather resources. They also used Slaves to work for them.

Explanation:

what are local authorities doing to fix the problem

explanation: what are local authorities doing to fix the problem