D.
The rest seem wrong.
It could be B though
Answer:
The Great Wall of China was built as a military defensive line to defend the invasions from some northern nomadic nations. Apart from the function of defense, the wall also boosted the economy, as well as promoted the culture exchange and national integration of different nations at its two sides.
Sanctuaries are places where animals can spend their lives and be protected for the rest of their lives. Unlike shelters, the animals from the sanctuary are not in a search for a new home.
Sanctuaries can be a place where the animals, especially previously abused animals, can be protected from harm, such as animal testing and slaughter.
<span>It was a financially sound move, It expanded our military presence in the world, and It expanded our social and political presence in the world. </span>
One effect was selling Native Americans property.
