I believe it is true, I think what your asking is related to the United Nations
Answer: After World War I, US President Woodrow Wilson helped to build an ... League, the United States did not officially join the League of Nations due to opposition ... The nature of the war was thus one of attrition, with each side attempting to wear ... a covenant establishing the League of Nations, which convened its first council ...
Explanation:
A. because that was the main goal, after the first crusade none of the other crusades managed to recapture Jerusalem again,
Answer: trench warfare
Explanation: The type of warfare that was used in World War 1 was trench warfare. Basically, you can go under a high area and start shooting at the opponent. This was trench warfare, basically levels of fighters. Hope this helps!
The answer really depends on which of the 13 Southern states you are referring to. Each state issued their own Ordinance of Secession, in either 1860 or 1861. Hope this helps.