Which is not an achievement of the indians of north america in the thousands of years before columbus's arrival? select one:
a. in the ohio river valley, indians built large earthen burial mounds.
b. near present-day st. louis, 10,000 or more people built giant earthen mounds.
c. people build a series of giant semi-circular mounds in present-day louisiana.
d. people in present-day arizona constructed a large circle of red-earthen boulders.

Whoever gets these right gets marked brainlest frods and wrong anwsers will get reported and emaild to for doing this just for points! history and geography 600 – unit 6: eastern europe quiz 3: modern history 1.in communism, no one owns any private property. truefalse 2.communism ended in eastern europe because would no longer support it with military force. germany great britain the soviet union the united states 3.the soviet union was ruled by the secretary general and a committee of fifteen men called the kievs politburo villeins bolsheviks 4.one way to begin the communist revolution was to create among the workers. poverty dissension 5.the first world power to embrace communism was rassia germani china 6.the capital of east germany was: brussels east berlin bonn warsaw 7.one balkan country is: romania russia poland germany 8.in the balkan countries, the romans built: roads churches public baths stores 9.the soviet leader whose reforms led to the end of communism in russia and eastern europe was: joseph stalin lech walesa mikhail gorbachev nikita khrushchev 10.communist leaders came to power without the backing of the soviet union in: poland east germany yugoslavia hungary 11.stalin was: kind benevolent cruel live 12.the former name of the russian communists was: . romanovs bolsheviks vladimirs kievs 13.khrushchev improved living conditions for the russian people by: reducing the secret police reading the bible letting people own property having free elections you to all the people that have the right anwser