What kind of changes in science and economics made european exploration possible

Native Americans provided fur pelts to French and Dutch traders. The Europeans gave Native Americans manufactured goods, like cloth, iron cookware, guns and tools. The fur trade in the end, had a negative effect on the Native Americans. The French made an alliance with the Iroquois, and Dutch made an alliance with the Hurons. Yet, before the Hurons became trading partners with the French, the Iroquois, and Hurons were enemies.

i think the answer is the one about environmental and social health.

hope this

the foundation of greek city-states: following the fall of the mycenaean civilization in the 10th century bc, the area surrounding the empire went through its own mini dark ages. answer and explanation