The answers are B, C, and D
Hey there, the United States of America got involved because The World War erupted in the year 1914, when the President Woodrow Wilson pledged in the US. An many ships from the US were traveling to Britain and got hit damaged and sink by the German mines.
Hope this helped
Hello,
I think the answer is C) Pnenmatic
Hope this helps, Best of luck!!
~Girlygir101~