Which helped prevent a war between the United States and Spain?
the 1846 Treaty of Oregon
the Adams-Onís Treaty
the slogan “Fifty-Four Forty or Fight!”
the annexation of Texas

the slogan “Fifty-Four Forty or Fight!”

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).