I think that the answer is: A
Answer:
B. to keep invaders out
Explanation:
The wall was built to help keep out northern invaders like the Mongols. Smaller walls had been built over the years, but the first Emperor of China, Qin Shi Huang, decided that he wanted a single giant wall to protect his northern borders.
<span>The first European explorers to come to Island Southeast Asia were the "Dutch", who came in the 1500s searching for spices, since they eventually set up the infamous "Dutch East India Company"--which served Europe for many years. </span>
