What's the definition of the Boston Massacre

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.

What did the british agree to in the treaty of paris?