I don't know. What efforts were made to strengthen English control over the colinies in the 17th... something?

What efforts?

If you type your question into a Google search, something like the following would pop up:

What Efforts Were Made To Strengthen English Control Over The Colonies In The Seventeenth Century, And Why Did They Generally Fail? - Research Paper - Diktaytor456 (http://www.oppapers.com/essays/Efforts-Were-Made-Strengthen-English-Control/166156)