How did the rivalry with britain affect the american decision to annex texas, the oregon dispute, and other lesser controversies of the period?

During the 1840s, conflicts between the United States and Britain heightened. Texas, the autonomous republic, turn out to be the emphasis of many foreign powers. While Mexico supposed it to be a revolting area they would later recuperate power over it, they really had already lost control of it. Britain became fascinated in it for many motives. First, they supposed it would control southern American expansionists. Another was a financial reason; they wanted to use Texas to produce cotton, and no stretched have to be reliant on Southern cotton plantations. They also believed that they could use Texas in struggling Americans and test the Monroe Doctrine. Worried for Britain's purposes in controlling Texas, Tyler approved joint resolution that seized Texas into the United States before Britain could have a chance. Pressures with Britain also prejudiced America's choice to discuss for a bigger part of the Oregon territory. While the British had solid holdings to the land, American population grew quickly to the area. Sooner or later, the negotiated on the line of 49̊̊, gaining territory while evading war. Far ahead, when Mexico declined to sell Mexico to Polk, there were reports that Britain was around to acquire California. This would mean that the United States would not be capable to protect the Monroe Doctrine. This inclined Polk's decision to accelerate the announcement of war against Mexico.

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).