The european started to embrace the islamic teaching in the late 20th centuries.
If we're solely talking about the 700s Period, the answer would be : They wee threatened by it and sought to stop it
Back then, they believe that the islamic expansion would bring a huge threat for their current religious system
hope this helps
Key was inspired by the sight of a lone U.S. flag still flying over Fort McHenry at daybreak, as reflected in the now-famous words of the “Star-Spangled Banner”: “And the rocket's red glare, the bombs bursting in air, Gave proof through the night that our flag was still there.”
Early North Americans migrated across the land bridge from Asia during the Ice Age mostly likely due to a food/resource shortage
A South America because it’s really close to the worlds fresh source of water and also the Amazon River