Machine Guns, Artillery Fire, and Mines
1) The law of self interest - when people work for themselves and their own good
2) The law of competition - people make better products because of competition
3) The law of supply and demand - enough goods would be produced or supplied at the lowest price to meet the demand in a market
Answer:
Throughout the mid-1880s, the Northern Pacific pushed to reach Puget Sound directly, rather than by means of a roundabout route that followed the Columbia River. Surveys of the Cascade Mountains, carried out intermittently since the 1870s, began anew.
New freedmen tended to be more poorer and less educated
