ANWSER for the first drop down menu?

they wanted the u.s. to fight on the side of the central powers.

no every country is held to the same degree as others just some member countries such as the usa and germany are more economically sound so the need to show there support to all others  

which statement explains one of the reasons world war 1 was so much more destructive than earlier conflicts

roosevelt, a progressive reformer, earned a reputation as a "trust buster" through his regulatory reforms and anti-trust prosecutions. his "square deal" included regulation of railroad rates and pure foods and drugs; he saw it as a fair deal for both the average citizen and the businessmen.