lousiana purchase crossword puzzle?

Question

i got 5 questions i need help on
2. sacajawea was called the _____ woman 4 letter word
10. river that flows into the pacific ocean _________ 8 letters
6.New _____, city at mouth of the mississippi river 7 letters
15. large tributary of columbia R. 5 letters

Answer 1

Bird
Columbia
Orleans
Snake

Answer 2

good?
missouri?
london?
have no idea?
that was only 4...