when API called as OPTION in react redux code example

Example 1: react must be in scope when using jsx

Must include "React" in the import line, see line 2.
Import React, { Component } from "react";

Example 2: what is state in react

// State is essentially a global class variable
// that is modified when the component updates

class Clock extends React.Component {
  constructor(props) {
    super(props);
    this.state = {date: new Date()};
  }

  render() {
    return (
      <div>
        <h1>Hello, world!</h1>
        <h2>It is {this.state.date.toLocaleTimeString()}.</h2>
      </div>
    );
  }
}