On what grounds did parliament draw up the english bill of rights?

Representative government principle.

Explanation:

The English Bill of Rights was drawn up on the representative government principle since it allowed the Parliament to become a permanent and necessary body in government.

Through the Bill of Rights the establishment of an institution above the King was a fact. The monarch became an officer of the throne with his rights and duties.  

The Bill of Rights meant the achievement of a Constitutional Monarchy.

the enslaved people onboard suffered from illness with some frequency

the speech convinced americans that the ussr was an enemy, rather than an ally, which led to the creation of the truman doctrine.