For The Common Defense A Military History of the United States of America by Allan R. Millett & Peter Maslowski

During the first seventy years of settlement a series of Indian wars severely tested colonial military institutions. The natives' overall initial reaction to the pale-skinned arrivals was cautious hospitality, but within two decades the whites' land greed, plus a general cultural incompatibility, created open hostility. Before considering the resulting wars, it is necessary to understand Indian methods of warfare, the problems Indian tactics posed for the whites, and the ways in which the Europeans overcame these difficulties. 
-For The Common Defense A Military History of the United States of America by 
Allan R. Millett & Peter Maslowski