The Board of Trustees shall have the general care and management of the prudential interests and affairs of said Village; shall direct the expenditure of all moneys belonging to said Village, draw orders upon the Treasurer, and generally perform all the duties legally enjoined upon them by said corporation, and shall submit their accounts and vouchers to the Auditor at least twenty days before the annual meeting of each year. Said trustees shall have power to abate taxes laid or assessed by virtue of this act; but the power of said trustees to abate taxes shall be subject to the same limitations and may be exercised for the same causes as mentioned in section 2736 of the Revised Laws. The trustees shall have the powers and duties of selectmen specified in sections 3939 through 3946 of the Public Laws of 1906 related to the diversion of streams and the establishment of drains ditches and water courses. The trustees shall fill a vacancy in a Village office, and a person so appointed shall serve for the unexpired time; but the Village may, at any time before the expiration of such term, supersede such an appointment by a new election at a special meeting, for the remainder of the term. All power vested in said trustees may be exercised by a majority of them.