Why did the us think pearl harbor was more likely to suffer sabotage instead of a military attack?

What was the most important consequence of the large-scale ecological changes in africa two hundred thousand years ago?

As time went on, pan-africanism became a philosophy that: a. africans gain colonies in asia.b. african americans be proud of their african descent andwork toward civil rights.c. start many world's fairs to showcase african successes.d. europeans conquer african territory.

Which situation would be more likely to occur in the modern era than in earlier periods of human history