Was an imperial dynasty of china preceded by the sui dynasty
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.
<span>Roosevelt's experiences on the frontier, fighting with the Rough Riders and public service gave him a positive reputation among Americans. People believed that as a war veteran he was brave and trustworthy. His time on the frontier showed him as interested in the well being and development of the country.</span>
