Why were the Americas called the "New World"? Select one:

Because scientists dated them to have existed for shorter amounts of time than the other continents.

Because they had no similar features to other continents in the world.

Because, to the Europeans who discovered them, they were unknown.

Because the Europeans who discovered them were trying to re-create the history of the world on this new land.
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last choice

Explanation:

The other continents were unknown to Europeans. After Columbus discovered the American continents the "world" of Europe, Africa, and Asia were often referred to as the "Old World" while the Americas were called the "New World". Because it was an unexplored region at one time. A new continent.

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: