The Great Wall of China is the longest building on earth with a length of 13,170 miles. Made from a combination of brick, stone, wood and other materials, it was originally constructed primarily to serve as a defence against the nomadic invasions from the north that threatened Chinese states / empires.
Because they should know if the thing they are studying is like from or about or how it was made
Answer:
How did South Carolina respond to the election of Abraham Lincoln as president in 1860? It called for a state convention and demanded a recount. It reluctantly agreed to support the policies of the new president. It declared independence from the Union and the Confederacy.
Explanation:
