snippet2.js

class App extends Component {
  componentDidMount() {
    Promise.all([fetch('URL_1_HERE'), fetch('URL_2_HERE')])
      .then((articles) => {
        this.setState({
          articles: articles
        })
      })
  }

  render() {
    return (
      <ArticleShower articles={this.state.articles} />
    );
  }
}