upto 2.13

app/models/brewery.rb

@@ -1,5 +1,5 @@
 class Brewery < ApplicationRecord
-  has_many :beers
+  has_many :beers, dependent: :destroy
 
   def print_report
     puts name

app/views/breweries/_brewery.html.erb

@@ -1,6 +1,6 @@
 <div id="<%= dom_id brewery %>">
   <h2>
-    <%= brewery.name %>
+    <%= link_to brewery.name, brewery %>
   </h2>
 
   <p>

app/views/ratings/index.html.erb

@@ -12,4 +12,8 @@
 
 <p>
   <%= link_to "New rating", new_rating_path %>
+  <br>
+  <%= link_to "list of breweries", breweries_path %>
+  <br>
+  <%= link_to "list of beers", beers_path %>
 </p>