served for land (feudalism). went to battles with them and supported them
16th President of the United States saved the Union during the Civil War and .... In time, however, the blockade became more effective .
It's kinda like an educated guess.
Was the movement of 6-mill african-americans out of the rural of the Southern US
The likely effect of such trail lines that were left by pioneers migrating to the west were that people who moved there afterrwards were able to derive information regarding where it was relatively safe and where territory has been charted and mapped before. This enabled a little certainty in areas of great danger.