Why did american indians show little resistance to european diseases?

select the best answer from the choices provided.
they had never experienced european diseases before.
their bodies were weak from being underfed.
europeans abused them by forcing them into harsh working conditions.
all answers are correct

Select the correct answer.which sentence about romans in the early roman republic is most likely to be true? use your knowledge of the origin of the roman republic to answer the question.a.they believed that kings could easily become cruel dictators.b.they disliked military generals for leading them into war. c.they were friendly to the people of the neighboring lands.d.they believed that men and women should have equal rights.

Answer correct get brainliest and 20 points

Which of the following statements about the economic consequences of the civil war is not accurate. a. inflation caused prices to rise by 80% in the north. b. because southern farms cannot process enough food for everyone in the south the union navy allowed food shipments from britain. c. to pay for all of the food supplies and arrangements that were necessary for the union army congress instituted an income tax. d. business boomed in the north as factories and farms always had a market for their products.