Answer:
Japan practiced a strict isolation policy up until the signing of the Kanagawa treaty on March 31, 1854. This opened the borders of Japan and forced them to trade with the rest of the world. Japan feared the escalation of the situation and succumbed to the United States and opened its ports for trade. After that Japan modernized and grew in power.
Answer:
In biology, cell theory is the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells
Explanation:
I am pretty sure that the answer is B, but I am sorry if it is wrong!
Between 50-80 years or even more than 80 sometimes