How was a trust different from a pool as a way to eliminate competition?

Companies that formed pools had no legal protection and could not enforce their agreements in court. Pools generally did not last long, as one member inevitably cut prices to steal market share from the others.

Explanation:

the court ruled that a state law that banned abortions (except to save the life of the mother) was unconstitutional

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answer: secession

secession, as it applies to the outbreak of the american civil war, comprises the series of events that began on december 20, 1860, and extended through june 8 of the next year when eleven states in the lower and upper south severed their ties with the union. the first seven seceding states of the lower south set up a provisional government at montgomery, alabama. after hostilities began at fort sumter in charleston harbor on april 12, 1861, the border states of virginia, arkansas, tennessee, and north carolina joined the new government, which then moved its capital to richmond, virginia. the union was thus divided approximately on geographic lines. twenty-one northern and border states retained the style and title of the united states, while the eleven slave states adopted the nomenclature of the confederate states of america.

explanation: