Both the magna carta and the petition of right addressed issues related to
a. war
b. property
c. taxation
d. religion

I believe the answer is: C. Taxation
Magna charta was created in order to prevent King John from making tax regulation without the approval of common counsel.
Petition of right was created in order to prevent king Charles I to impose taxes and give loans to private citizens.

Because the discoveries were some of the oldest human remains.

An attractive economy.