This is the definition for an <span>OSHA Form.</span>
The Mexican American war was basically when The U.S. Invaded mexico during the period April 25, 1846 – February 2, 1848:
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The dispute grew up from the United States’ annexation of </span>Texas<span> in 1845 and from a dispute over whether Texas ended at the Nueces River (Mexican claim) or the </span><span>Rio Grande</span>
I suggest you to go with first one a. there was heavy damage only within a mile of the bomb's impact. There're no closer description than that.