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They are similar because they both say that one should receive payment for their efforts. Meaning all people should be compensated for what they do.
One nation could not have an advantage over other nations.
Answer: Option C
<u>Explanation:</u>
The open door policy was the policy which was started by the United States of America in 1899 and 1900. The basic aim of this policy was that all the countries who are going to trade with China would have Equal privileges. No country would be treated better than the other.
This policy was a form of support to the administration of China by the United States of America. These statement of principles gained major popularity in the world when they were started.
Answer:
<h2>Merle Robbins invented UNO in 1971</h2>
Explanation:

According to <em>Wonkavator,</em><em> "Merle Robbins, a barbershop owner and card lover, invented UNO in 1971 in Reading, Ohio. He introduced the game to his family, and after they started playing the game more and more he decided to have the game printed. His family pooled together $8,000 to have 5,000 games made. At first Merle sold UNO from his barbershop. A few friends and local businesses sold them too. Merle sold the rights to a funeral parlor owner in Joliet, Illinois. The cost? $50,000 plus royalties of 10cents per game. International Games Inc. was formed to market UNO, and sales skyrocketed. In 1992, International Games became part of the Mattel family, and UNO had a new home."</em>

<em>Hope this helps! <3</em>
