Sentence:  Vandiver opened his race for governor in 1958 with a battle in the Legislature against the issuance of $ 50 million worth of additional rural roads <WSD>bonds</WSD> proposed by then Gov. Marvin Griffin . 
Meaning of the word marked with <WSD> tags:  a certificate of debt (usually interest-bearing or discounted) that is issued by a government or corporation in order to raise money; the issuer is required to pay a fixed sum annually until maturity and then a fixed sum to repay the principal