Assuming you're referring to the United States, the Constitution grants these powers only to the federal government--specifically Congress--meaning that the states have no war powers.
Answer:
what do you want?............why do you want?...............
B. Public railroads for people who had carriages.
Go around the the area that asks the law to be made and make a petition(for signatures) on why this certain law is constitutional, then if it get enough votes send it to the major's office.
hope this help.<3
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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