Loop through Promotion and Display Vendors as heading and promo posts

<?php /* Loop through Promotion and Display Vendors as heading and promo posts within */
	$post_type = 'promotion';
	 
	// Get all the taxonomies for this post type
	$object = 'post';
	$output = 'objects';
	$taxonomies = get_object_taxonomies( $object, $output );
	$exclude = array( 'post_tag','post_format','category' );
	 
	foreach( $taxonomies as $taxonomy ) :
	
	if( in_array( $taxonomy->name, $exclude ) ) {
	 	continue;
	 }
 
    // Gets every "category" (term) in this taxonomy to get the respective posts
    $terms = get_terms( array(
            'taxonomy' => $taxonomy->name,
            'hide_empty' => true,
            //'exclude' => array( 97 ),
        ) );
 
    foreach( $terms as $term ) : ?>
 
      <div class="row header clear"><h2 id="<?php echo $term->slug; ?>"><?php echo $term->name; ?> </h2></div>
 
        <?php $args = array(
            'post_type' => $post_type,
            'posts_per_page' => -1,  //show all posts
            'tax_query' => array(
                array(
                    'taxonomy' => 'vendors',
                    'field' => 'slug',
                    'terms' => $term->slug,
                )
            )
        );
        $posts = new WP_Query($args);
        if( $posts->have_posts() ): 
        $count = 1;
        while( $posts->have_posts() ) : $posts->the_post(); ?>
        <article class="col-sm-6">
			<h4>Promotion <?php echo $count++; ?></h4>
			<?php get_template_part( 'template-parts/content-promos' ); ?>
        </article>
    <?php endwhile; endif; ?>

    <?php endforeach;
endforeach; ?>