OK! so i just did this question not too long ago after studying it my answer was "C"
Answer:
54
Explanation:
Nikolai Kondratiev was a Soviet Union economist. He was popular for his economic cycle theory called Kondratieff Wave. This economic wave is defined as the intervals of evolution believed to correct itself. This cycle is caused due to technological invention that leads to an extended time of wealth.
According to him, this period started during the steam engine invention, from the 1780s to the 1830s. He concluded that Western economies have generally followed a cycle of forty to sixty years or to be specific fifty four years exactly.
The geography and climate of the Plains affects farming and water supply of Native Americans
<u>Explanation:</u>
The plains had marshes, forests, range lands and it had a highly diverse climate. Normally plains were very scarcely populated with a family group living in a particular landscape. Missouri river was present and hence people started living there in groups.
Climate change affected the tribal community and they faced great challenges. As precipitation and temperature they faced crisis in water supplies. Agriculture also was dependent on the rain and precipitation. If it was wet the sowing of seeds was delayed and excess rainfall drained the nutrient off.
Explanation:
economic trouble and war.i hope this helps
A. The group including Kansas and Illinois
