How did crusades help open trade routes between europe and the middle east?

Apex plz i’m almost done if i get this all right

Which best explains charles i's actions after parliament refused him war funds

The black hawk war began (20 points) a. sauk leaders signed the treaty of dancing rabbit creek. b. congress passed the indian removal act. c. the sauk moved onto a village established by white settlers. d. federal officials ordered the removal of all american indians from illinois.