why is it so difficult for historians to put an exact date on when the cognitive revolution began, and decide whether it should apply to other human species?

The sixth amendment of the u.s. constitution guarantees the right to which of the following?

Which of the following best describes the 1957 events at central high school in little rock, arkansas? -governor faubus resisted the school’s integration with national guard troops, and president eisenhower sent federal troops to enforce integration.-under governor faubus, little rock police first fought, then enforced, the order to integrate the school.-president eisenhower sent national guard troops to resist the school’s integration, but governor faubus obtained a court order to dismiss them.-president eisenhower and governor faubus worked together to make the integration process run as smoothly as possible.

Mississippi, florida, alabama, georgia, louisiana, and texas all seceded from the union. true or false ?