Final answer:
The Declaration of Neutrality was issued by the United States for several reasons, including the desire to stay out of the European conflict, maintain open markets, and address the constitutional debate on the president's authority.
Step-by-step explanation:
The Declaration of Neutrality was issued for several reasons. Firstly, the United States wanted to stay out of the European conflict and avoid the devastating battles that were taking place. Secondly, President Washington believed that by declaring neutrality, the United States could maintain open markets and continue commercial ties with all warring factions. Finally, there was a constitutional debate on the president's authority to make foreign policy, with some arguing that Congress should have the power to declare neutrality.