evinces

"But when a long train of abuses and unsurpations, began at a distinguished
period and pursuing invariably the same object, evinces a design to reduce
them
under absolute despotism."

page 100 Elements In Literature

At Dictionary.com evinces means demonstrate clearly, or also to vanquish.

Despotism

"...a design to reduce them under absolute depotism,.."

Pg. 100 Elements of Literature

the book said that despotismis is ruled by a tyrant or king with unlimited power.