what is the history behind the mentioned issue of slave?
One of the type of slavery, sometimes called "just title servitude," was suffered by prisoners of war, debtors, and other vulnerable people.
Slavery
 The first type of slavery, sometimes called "just title servitude," was suffered by prisoners of war, debtors, and other vulnerable people. 
what is m-30 (michigan highway)? It is a state trunkline highway in the U.S. state of Michigan. what is the state symbol of this place mentioned? "The Wolverine State" what happened here during the 19th century? During the War of 1812, the United States forces at Fort Detroit surrendered Michigan Territory (effectively consisting of Detroit and the surrounding area) after a nearly bloodless siege in 1812. what is the origin of this war mentioned above? Historians have long debated the relative weight of the multiple reasons underlying the origin of this war. which country supported this war? UNANSWERABLE what were the opening strategies of the war? They were blockading the French navy and protecting British trade against French privateers. what was it doing to the slaves? The British Royal Navy's blockades and raids allowed about 4,000 African Americans to escape slavery by fleeing American plantations aboard British ships.
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Slavery [SEP] History
Some scholars differentiate between ancient forms of slavery and the large-scale, largely race-based slavery which grew to immense proportions starting in the 14th century. The first type of slavery, sometimes called "just title servitude," was suffered by prisoners of war, debtors, and other vulnerable people. The second, race-based type of slavery was argued even by some contemporary writers to be intrinsically immoral.