Why did japan attack the u. s. at pearl harbor?

i know it had to do something about the U.S. doing some embargoing i think

all i know is they felt threatened so they attacked a spot where they thought was the closes to the U.S. I'm not really sure im just trying my best, sorry if it was no help.

(to understand your enemy you must look into their perspective)

pan-africanism or pan-africanism is a political, philosophical, cultural and social movement that promotes african twinning, the defense of the rights of african people and the unity of africa under a single sovereign state, for all africans, both africa as of the african diasporas.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering