Answer: The ancient Egyptian civilization grew for thousands of years intact because the Nile River Valley and Mediterranean and Red Sea border kept foreigners and their ideas away. The Nile River was very important to Egyptian civilization. The Nile provided a communication and trade route across a huge and harsh land
Explanation:
<span>(D) is the most correct answer. Pinckney's Treaty, also known as the Treaty of San Lorenzo, gave the US shipping rights on the Mississippi River and transport through New Orleans. The problem, at the time, was that even though the Mississippi River was under US control, the southern part was claimed by the Spanish. This led to a border dispute: Pinckney, then the minister to Great Britain, was the creator of the treaty that resolved this dispute in the late 1790s.</span>
One widely accepted notion — outside of the medical profession, that is — had German spies deliberately seeding Boston Harbor with influenza-sprouting germs.
