Which country held american hostages for 444 days?

Ineed answers 5 and 6 on my social studies homework reply to this question i posted

The sixth amendment of the u.s. constitution guarantees the right to which of the following?

Plz ive been stuck on this question forever. in 1753 george washington was sent on a mission to a. build a fort at the point where the allegheny and monongahela rivers form the ohio river. b. attack the french at fort duquesne. c. attack the french at fort neccessity. d. deliver a message to the french demanding that they leave the ohio river.