For the first one it would be <span>labor Unions </span>
Answer:
noir is a cinematic term used primarily to describe stylish Hollywood crime dramas
Explanation:
Answer:
By 1860, 30,000 miles (49,000 km) of railroad tracks had been laid,.
By 1860, 30,000 miles (49,000 km) of railroad tracks had been laid, with 21,300 miles (34,000 km) concentrated in the northeast.
A permanent divide was established between north and south Korea.