I think you forgot the options, but i can give you some information that might be useful: the two are independent, but still, the federal courts can decide whether the state courts took their decisions according to the constitution.
Answer:
they use books,newspapers,pamphlets and encyclopaedia .
The answer is B Conquest and disease brought by europeans changed the native american way of life forever.
Private companies built turn pikes. Federal government built the national road. inventors Boulton steamboats and business leaders and governments built canals.
Answer:
In an office, every employee has an absolute and comparative advantage depending on the type of work he/she is best at.
In Hector's office, the employee Sasha worked as a computer designer and was excellent in her work. This means that the employee Sasha had an absolute and comparative advantage as she was efficient in her work and hence, there was no opportunity cost of her side of work.
The employee, Maurice was best in logo designing. Hence, he had a absolute and comparative advantage as he was good in logo designing and their was no other opportunity cost for his work.