I know that the reasons for the United States entrance into WWI are to ensure Allied repayment of debts to the United States and to prevent the Germans from threatening U.S. shipping, but how can I explain them more specifically?

Please give me some ideas. THANKS A LOT!

Well the sinking of the british liner Lusitania was the main reason we entered because there were like 100 or more American's on the ship. Wilson demanded safety to passenger ships and Germany complied sort of. The germans also sabotaged Black Tom and the Kingsland explosion where the US was shipping war supplies to allied countries...also, the fact that Germany sent what is now known as the Zimmerman Telegram offering an alliance between Germany and Mexico so that Mexico could have the US also brought us into the war.

but what about "to ensure Allied repayment of debts to the United States"?

the US was lending war materials to allies under the lend lease act to avoid interallied debts...

To explain the reasons for the United States' entrance into World War I more specifically, you can delve into the following points:

1. Ensuring allied repayment of debts: The United States had provided substantial financial support to the Allied powers (composed of Britain, France, and Russia) during the war. To safeguard its financial interests, the United States wanted to ensure that the Allies would be able to repay their debts after the war. The financial stability of the Allies was crucial for the American economy, as default on such massive loans would have led to severe economic consequences.

2. Protecting U.S. shipping: Germany, which was one of the Central Powers during the war, engaged in submarine warfare, particularly targeting ships supplying goods to Britain and other Allied nations. The U.S. had a significant amount of maritime trade with the Allies, and the German unrestricted submarine warfare threatened this trade. The sinking of American ships, such as the Lusitania in 1915, had already caused public outrage, but it was the resumption of unrestricted submarine warfare by Germany in 1917 that pushed the U.S. toward intervention.

3. Porous neutrality: Despite formally declaring neutrality at the beginning of the war, the United States found it difficult to remain completely detached. American public sentiment leaned towards the Allies due to cultural ties, historical relations, and sympathy for nations facing German aggression. This sentiment was particularly strong among certain ethnic groups within the U.S., such as Irish and Polish Americans, who had historical grievances against German imperial projects. Additionally, acts of espionage and sabotage by German agents on U.S. soil, like the Zimmerman Telegram, further eroded American neutrality.

4. Wilson's idealism and the pursuit of democracy: President Woodrow Wilson had a vision of a peaceful world order and wanted the conflict to end in a way that would prevent future wars. He promoted the concept of "making the world safe for democracy," aiming to spread democratic ideals and self-determination to nations around the world. Wilson's idealism influenced the decision to intervene in the war, as he saw it as an opportunity to shape the post-war settlement and establish the League of Nations, an international organization designed to prevent future conflicts.

By discussing these specific points, you can provide a more detailed explanation of the reasons why the United States entered World War I.