I would go with B: terra-cotta.
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One is a queen one a king
Answer:
Increasingly, U.S. policy sought to limit the number of immigrants who were not white, Anglo-Saxon, and Protestant.
Explanation:
In the 19th and 20th century American policies were concern about immigration. America became one of the places where people immigrated to escape from poverty, persecution, political pressure, etc. With the increasing population in the 19th and 20th century, the U.S. implemented policies that limited the number of immigrants who were not white like Asians.
The immigration act of 1924 restricted the number of immigrants coming into the United States. This act establishes a national origin quota system that eliminated Asians from entering America.
The Chinese empire has been subject to unfair unilateral treatment for centuries. As foreign powers such as the Portuguese and the British sought to get their hands on this country's riches. This can be seen during the Opium Wars, which led to the colonization of the ports of Macao and Hong Kong, by the Portuguese and British respectively.
The military power exercised over China by foreign powers was replaced by the economic power of this same nations in the form of foreign investment that comes to China and sets up manufacturing sites that set unideal working conditions for Chinese locals at the expense of the enrichment of these businesses.