What factors allowed europeans to conquer the natives in the americas with relative ease?

The main factors that allowed Europeans to conquer the natives in America with ease was influenza,smallpox and measles which wiped out 95% of the native population making conquest easy

battle of saint-mihiel, (12–16 september 1918), allied victory and the first u.s.-led offensive in world war i. the allied attack against the saint-mihiel salient provided the americans with an opportunity to use their forces on the western front en masse.

explanation:

the united states began searching for a way to reduce oil

-agarvated