According to the graph, when would have been the best time for an american to buy a piece of machinery manufactured in canada ? explain your answer in at least two complete sentences.

the effect of the ming leaders banning ships with more than two masts was that there was no further construction of ships masts, because there was a surplus. ming emperors disallowed foreign exploration

the answer would more than likely a.)falling crop prices  

hope the answer is right and ,either way have a nice day.

possession of power

exercising of power

class and power