The Annexation of Texas, the Mexican-American War, and the Treaty of Guadalupe-Hidalgo, 1845â1848. During his tenure, U.S. President James K. Polk oversaw the greatest territorial expansion of the United States to date.n July, 1845, Polk, who had been elected on a platform of expansionism, ordered the commander of the U.S. Army in Texas, Zachary Taylor, to move his forces into the disputed lands that lay between the Nueces and Rio Grande rivers.
Display or hide axes. 1  Click anywhere in the chart for which you want to display or hide axes. 2  On the Layout tab, in the Axes group, click Axes. 3  Click the type of axis that you want to display or hide, and then click the options that you want.
Double-click the plot style table file that you want to modify. In the Plot Style Table Editor, Form View tab, select the plot style you want to change. Click the Lineweight arrow and select a lineweight from the list. To specify that the object's lineweight should be used select Use Object Lineweight. Click Save & Close. You can edit properties for multiple plot styles while in the Plot Style Table Editor.