Answer:
to address fears that states could lose rights to the federal government
Explanation:
it made the states not be 100% controlled by the national government
The marriage of prince Ferdinand and queen Isabella created Spain.
It took place on <span>19 October 1469</span><span>, when Isabella was only six years old, also, the two were second cousins. Because of that, in order for the union to happen, a </span>Papal Bull was required. It was obtained thanks to the help of the Valencian cardinal Rodrigo Borgia (later Alexander VI).
Answer:
By January 1879, at his laboratory in Menlo Park, New Jersey, Edison had built his first high resistance, incandescent electric light. It worked by passing electricity through a thin platinum filament in the glass vacuum bulb, which delayed the filament from melting.
<span>It was the abolition of serfdom and the establishment of a constitutional monarchy. Those involve in the revolt were also against the crowning of Nicholas I and this later led to a confrontation between the rebels and loyal troops. The revolt was suppressed and many were arrested. Though it failed it helped start the movements for revolution in Russia.</span>