wp query get by taxonomy

1$the_query = new WP_Query( array(
2    'post_type' => 'Adverts',
3    'tax_query' => array(
4        array (
5            'taxonomy' => 'advert_tag',
6            'field' => 'slug',
7            'terms' => 'politics',
8        )
9    ),
10) );
11
12  // The Loop
13    if ( $the_query->have_posts() ) {
14        while ( $the_query->have_posts() ) {
15          $the_query->the_post();
16          the_title(); //show post title 
17        }
18    }