I think the answer is that The 1850s was a pivotal decade in the 19th century. In the United States, tensions over slavery became prominent and events began to put the nation on the road to civil war. In Europe, new technology was celebrated and the great powers fought the Crimean War.
Considering the map, this map reflects that Canada joined with the Paris Agreement before the United States joined with the Paris Agreement in a commitment to reduce emissions.
This is because the Paris Agreement, which was made to reduce emissions on climate around the world, was originally signed by many countries, including the United States and Canada.
However, in 2017, the United States pulled out of the Paris Agreement under President Donald Trump's administration.
During this period, Canada remains as part of the Paris Agreement after having signed and ratified the deal in 2016.
The United States rejoined the Paris Agreement early in 2021 under President Joe Biden.
Hence, in this case, it is concluded that the correct answer is option A. "This map reflects that Canada joined with the Paris Agreement before the United States joined with the Paris Agreement in a commitment to reduce emissions."
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The two areas that wanted to trade in Ghana were North Africa and West Africa.
The first battles were fought in Lexington and Concord