Austria-hungary and Serbia were the first two nations. However, I do not know much about why the americans joined the war. Sorry.
Answer:
Means that anyone prosecuted under the law will be given equal protection to any race, sex or religion. Basically everyone gets equal protections.
The answer is A. Because his policies helped the economy recover. Please mark as the brainliest. Thanks.
The correct answer is serving a ceremonial role by discussing the issues facing the country.