Vasco Nunez de Balboa was to be believed that he was the first European to see the pacific ocean.
Answer:
part 1: b
part 2: c
Explanation:
part 1: the rocky mountains were a barrier that didn't allow travelers to get through them easily.
part 2: the Missouri river allowed greater chances for trade and travel through the states
He had a foreign policy that favored great britain.
First box goes in the 3 box, Second box goes in the second box and third box goes in first box
