Problem: Please answer a question about the following article about New Haven, Connecticut:
For over a century, New Haven citizens had fought in the colonial militia alongside regular British forces, as in the French and Indian War. As the American Revolution approached, General David Wooster and other influential residents hoped that the conflict with the government in Britain could be resolved short of rebellion. On 23 April 1775, which is still celebrated in New Haven as Powder House Day, the Second Company, Governor's Foot Guard, of New Haven entered the struggle against the governing British parliament. Under Captain Benedict Arnold, they broke into the powder house to arm themselves and began a three-day march to Cambridge, Massachusetts. Other New Haven militia members were on hand to escort George Washington from his overnight stay in New Haven on his way to Cambridge. Contemporary reports, from both sides, remark on the New Haven volunteers' professional military bearing, including uniforms.
What is the name of infamous historical person who played an important role on Power House Day? 
A: Benedict Arnold
Problem: Please answer a question about the following article about Aspirated consonant:
The term aspiration sometimes refers to the sound change of debuccalization, in which a consonant is lenited (weakened) to become a glottal stop or fricative [ʔ h ɦ].
Debuccalization is when consonants are weakened to become what?
A: glottal stop or fricative
Problem: Please answer a question about the following article about Treaty:
A state's consent may be invalidated if there was an erroneous understanding of a fact or situation at the time of conclusion, which formed the "essential basis" of the state's consent. Consent will not be invalidated if the misunderstanding was due to the state's own conduct, or if the truth should have been evident.
Consent to a treaty will not be invalidated if what should have been evident?
A: the truth
Problem: Please answer a question about the following article about Treaty:
Treaties are not necessarily permanently binding upon the signatory parties. As obligations in international law are traditionally viewed as arising only from the consent of states, many treaties expressly allow a state to withdraw as long as it follows certain procedures of notification. For example, the Single Convention on Narcotic Drugs provides that the treaty will terminate if, as a result of denunciations, the number of parties falls below 40. Many treaties expressly forbid withdrawal. Article 56 of the Vienna Convention on the Law of Treaties provides that where a treaty is silent over whether or not it can be denounced there is a rebuttable presumption that it cannot be unilaterally denounced unless:
What is the only barrier to withdrawal contained in many treaties?
A:
procedures of notification