On his first voyage, Columbus: Group of answer choices ensured that he would be wealthy for life. realized he had discovered a new world. explored a number of Caribbean islands. expressed his kind intentions toward the Indians. landed on the mainland of North America.

explored a number of Caribbean islands

Explanation: When Columbus landed in "North America" he didn't actually land on the mainland (eliminating that option), he landed in the modern-day Bahamas. Columbus and the other Spaniards were not kind to the Native Americans, since they murdered and enslaved them (the Encomienda System), which also eliminates that option.

well, there are a lot of places we get information about earth from. like science classes, websites, books, newspapers, etc.

it continues in business