B , Red cross gives the answer right away
B: increasing the number of troops who could join the union
The Emancipation Proclamation was an administrative order published by Abraham Lincoln on January 1, 1863. It announced the liberation of serfs in the ten Confederate states still in the revolution. It also commanded that released serfs could be registered in the Union Army, which would increase the Union's possible manpower.
Theodore Roosevelt was known as a "trustbuster" because he wanted to test the power of the government to break up bad trusts. He even asked the Attorney General to bring a lawsuit against a trust to make his point. Theodore Roosevelt was one of the first Presidents to make conservation a national issue.
The canal developers studied the British Canal system to address some of the questions like how deep should the Erie Canal be, the materials needed to construct one, to know the desired width of the canal and how long will it take them to construct the whole Erie Canal.
a. How long will it take the canal to be constructed?
B. what are the things that they need when they construct the canal?
c What is the standard depth of the canal?
d. what is the standard width of the canal?