Why was franklin d roosevelt one of the times 100 most important people of the century?

The victory of America was celebrated by of Roosevelt, who brought saved them from depression that they had suffered for many years. He succeeded in his mission through the global conflict that existed in ancient times. Roosevelt became famous because of his informal way of expressing himself towards the leader and other citizens.

Since his first day in Whitehouse, he always stood straight in his power executions responsibilities, and any obstacle did not challenge him. He, therefore, managed to pursue his vision of serving the citizens equally.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering