The major physical feature that the pioneers crossing West had to contend with were the Rocky and Sierra Nevada Mountains.
These mountain ranges were treacherous and many died trying to find passages to cross.
Answer:
command economy, the system is controlled by the government. A mixed economy is partly run by the government and partly as a free market economy, which is an economic system that includes no government intervention and is mainly driven by the law of supply and demand
In common law legal systems, precedent is a principle or rule established in a previous legal case that is either binding on or persuasive for a court or other tribunal when deciding subsequent cases with similar issues or facts.
