Why did the Aztec allow Cortés to remain in their lands? ​

The difference between the lower class limits of adjacent classes provides the

On a supply and demand graph, equilibrium is the point where the two curves meet. the supply curve begins. the supply curve ends. the demand curve ends.

Which answer best describes the main purpose of the monroe doctrine? a to establish fixed borders in the western territories b to keep europe from further colonizing the western hemisphere c to limit the ability of the free states to protect runaway slaves d to promote settlement of the louisiana purchase