They talked with other important people to get in a deal.
B.a style of art created by African American activists
It employed the best map makers available.
On-the-job training was accomplished on successive trips down the coast of Africa.
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.
