The answer would be letter C.
Answer:
Machine guns were the ultimate defensive weapon similar to WW1 and they didn't have machine guns but they did have barbed wire and rifles. Just look at the numbers of casualties on both sides during attacks. ... with small unit infantry tactics, tanks, aircraft, and better use of artillery to support the infantry.
Explanation:
It was to show that you where a high class person and that your family has money. It was mostly for a social praise
Answer:
it only knew state sovereignty instead of country wide rule
Explanation:
It is number 1. the missouri compromise