The Webster-Hayne debate was part of an ongoing discussion about what issue? A. Slavery.
B. The rights of native Americans.
C. Political Parties.
D. States' rights.

states rights.

Explanation:

you can look it up in a history book.

might be agreeing to participate ethically with other european nations in the slave trade

or notifying other european nations when taking possession   of african territories

hello!

according to the passage the most suitable options are two. the first one is "by leading the aef to victory in several key battles" like the battle of saint- mihiel and the battle of cantigny mentioned in the passage you copied here. the second one is "by the aef and allied forces defeat germany" since the passage says that his army destroy the german resistance in the meuse- argonne offensive. and also, "by insisting that the aef operate as an independent force".

hope this