How to transfer select options from URL to backend

the front end is a select option URL with qurystrings
but the back end of the get request written with axios cannot get the qurey strings
this is the front end code

class App extends Component {

handleSend= () = > {

axios.get("/api"
 )

}
render () {

return (
  <div>
   Hallo world
   <form>
    <select 
      name = "issuer">
    <option value="ideal_ABNANL2A">ABN AMRO</option>
    <option value="ideal_ASNBNL21">ASN Bank</option>
    <option value="ideal_BUNQNL2A">bunq</option>
    <option value="ideal_INGBNL2A">ING</option>
    <option value="ideal_KNABNL2H">Knab</option>
    <option value="ideal_MOYONL21">Moneyou</option>
    <option value="ideal_RABONL2U">Rabobank</option>
    <option value="ideal_RBRBNL21">RegioBank</option>
    
    </select>
    <button onClick={this.handleSend}>Select issuer</button>
    </form> 
      
  </div>
  
);

}
}

Aug.24,2021
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-16de894-10cc2.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-16de894-10cc2.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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