Explain what happens to the pendulum's PE and KE as it moves from position one, to two and to three.

Amain reason most irish immigrants came to the united states in the mid-1800s wasa) to find jobs as skilled workers.b) to escape a potato famine.c) to live in less-crowded conditions.d) to escape religious persecution.

At the time of hitler's 1939 invasion of poland, the us had a policy of appeasement negotiation opposition neutrality

Prior to the presence of europeans on the continent, the slave trade in africa a) did not exist in any form. b) was limited to internal trade only. c) included the trans-saharan and indian ocean slave trade. d) was rarely needed due to the lack of an agricultural economy.