Which of the following was NOT a positive effect of the railroads?​

ensure national security

nsa, national guard, military, safety, police officers .

maintain order

keep the people under control so that riots aren't continuously happening .

resolve conflict

judges, court of law, police officers .

provide services

health care, dentists, welfare, tanf, medicare, social security .

provide for the public good

public goods, open-access goods, private goods, what's best for the people .

explanation: