Why was the Treaty of Tordesailles, which was signed by Spain and Portugal in 1494, was significant? a. it meant that European traders joined the slave trade in Africa. b. condemned the encomienda system in the Americas. c. allowed Europeans to begin to trade with China. d. it made it clear to other European countries that they needed to expand their own colonies and exploration. asap

Correct answer is d. it made it clear to other European countries that they needed to expand their own colonies and exploration.

Explanation:

According to this treaty Spain and Portugal decided to divide their domain in colonies, which established them as the greatest colonial forces. Their spreading of power affected other European powers, such as England, France and Netherlands. Those countries decided to create colonies on their own, and started establishing them especially in North America.

That is why option D is the only correct answer.

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the option which was not a function of missionaries in the northwest was the first one - they established posts for trading furs and other goods.

missionaries were sent around the world to spread religion and their knowledge and others - they were not merchants who sold furs and other goods.