They were too large and expensive - typically a computer would fill a room and would have to have its own power supply.
The Treaty of Paris was signed by the U.S and Spain. After the treaty was ratified, the U.S became an imperial power. The U.S gained Puerto Rico, Guam, and the Philippines from the treaty.
B). Is the right answer from my opinion.
Her weekly pay is $1000
48,000/12 = 4000
Assuming every month has 4 weeks the answer is $1000