Cual es la linea que separa a las fuentes directas de las indirectas

In which supreme court case did the court rely on the concept of implied powers to make its ruling? a) gibson v. ogden b) mcculloch v. maryland c) dartmouth college v. woodward d marbury v. madison

What did the crusaders wear? a.) gold crosses b.)wooden crosses c.)red crosses d.)silver crosses

Richard nixon was born in california. fact or opinion