wp_query get by taxonomy

$the_query = new WP_Query( array(
    'post_type' => 'Adverts',
    'tax_query' => array(
        array (
            'taxonomy' => 'advert_tag',
            'field' => 'slug',
            'terms' => 'politics',
        )
    ),
) );

  // The Loop
    if ( $the_query->have_posts() ) {
        while ( $the_query->have_posts() ) {
          $the_query->the_post();
          the_title(); //show post title 
        }
    }