anchor.diff:      <tr>
         <th>#</th>
         <th>Building Type</th>
  +      <th>Interaction</th>
       </tr>
     </thead>
     <tbody>
  
positive.code:   <tr>
      <td>Technology:</td>
      <td><%= @tribe.technology %></td>
    </tr>
  </table>
  
  
negative.code:   <tr>
      <td>Name:</td>
      <td><%= @tribe.name %></td>
      <td></td>
    </tr>
    <tr>
      <td>Land:</td>
  