1. Intellectual protests. Papers, documents, letters denouncing the British taxes and supporting the injustices of "taxation without representation." 2. Economic boycotts or refusing to buy goods in order to pressure the opposing force into changing its policies. 3. Violent intimidation or using violence to convince the opposing force into backing down.
Renaissance art was all about light and shadow and 3 dimensional art- in fact renaissance artists loved to create the appearance of three-dimensional space.