No appropriation of the public money shall be made to, nor the bonds of this State be issued or loaned to any county, municipality, or corporation, nor shall the credit of this State, by the guarantee or the endorsement of the bonds or other undertakings of any county, municipality, or corporation, be pledged otherwise than by an Act of the General Assembly, passed with the concurrence of three-fourths of all the members elected to each House.

83 Del. Laws, c. 351 and 84 Del. Laws, c. 18; 84 Del. Laws, c. 281 and 85 Del. Laws, c. 5;