Answer:
Law of increasing costs.
Explanation:
The law of increasing costs is a rule in economic science, according to which with increasing production of the product the opportunity costs also increase, that is, with the production of each new unit of product, the costs of producing this additional unit of product also increase.
Opportunity costs are the number of products that must be sacrificed in the production of any quantity of other products. And the law of increasing costs states that the production of an additional unit of product 1 leads to an increase in the number of refusals to produce product 2.
Why were the French reluctant about helping the Americans?
They didn't want to waste money on a hopeless cause.
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Everyone, including his enemies, respected Pedro II himself: they hated the Empire, however, and wanted change. After the abolition of slavery, the nation became even more polarized. The military became involved, and in November of 1889, they stepped in and removed Pedro from power.