none of these answers; no-one is sure exactly why the Mississippian civilization declined

as a result of the impact of diseases introduced by European settlers

as a result of massacres committed by European settlers

as a result of the genocidal actions of the nascent American government

as a result of a prolonged famine and drought in the thirteenth century

Religious injunctions against seeking medical treatment

Chronic over-population

Frequent crop failures

Widespread famine and/or malnutrition

all of these answers are correct

limited the exchange of ideas

destabilized autocratic regimes

spurred socioeconomic change

led to a decline in trade

They declined as a result of the devastating impact of diseases introduced by European settlers.

None of these statements are inaccurate.

They built earthen mounds for religious and ceremonial purposes.

Their largest city was Cahokia.

All of these statements are inaccurate.

Native societies in South America were defined by agriculture-based extensive empires, whereas native societies in North America were much smaller and partially relied on hunter-gathering

Native societies in North America were defined by agriculture-based extensive empires, whereas native societies in South America were much smaller and partially relied on hunter-gathering

Native societies in North America were monotheistic and subsequently more receptive to Christianity than the polytheistic, animist societies of South America

Native societies in South America were monotheistic and subsequently more receptive to Christianity than the polytheistic, animist societies of North America

Native societies in North America were much more hierarchical, whereas native societies in South America were very meritocratic and relatively liberated

China

India

Russia

North Africa

South Africa