In the 1930s, many Americans did not support European intervention
because they believed the U. S.
O was not threatened
O was scared of Hitler
O had great prosperity
O had the largest military

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:

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering