Beginning with tribal wars among Native Americans before Europeans settled Texas and continuing through the Civil War, the soil of what would become the Lone Star State has frequently been stained by the blood of those contesting for control of its resources. In subsequent years and continuing to the present, its citizens have often taken up arms beyond its borders in pursuit of political values and national defense. Although historians have studied the role of the state and its people in war for well over a century, a wealth of topics remain that deserve greater attention: Tejanos in World...