Gibbons v. Ogden addressed Congress's power to control interstate trade under . The Supreme Court's decision reinforced the idea of
, which said that the national government had higher authority than the states.

the year 2019 marks the 2115th anniversary of his birth.

yup! you are correct it is b.

theodore roosevelt 26th u.s. president : i admire his energy and passion. he was a fundamentally good man, brilliantly intelligent, possessed of extraordinary will and ability, supremely self-confident, bold, egalitarian, idealistic…. , lord, can we have him back?

the answer would more than likely a.)falling crop prices  

hope the answer is right and ,either way have a nice day.