What was laissez-faire capitalism that was promoted by people such as
Herbert Spencer?

Social Darwinism and American Laissez-faire Capitalism British philosopher Herbert Spencer went a step beyond Darwin's theory of evolution and applied it to the development of human society. In the late 1800s, many Americans enthusiastically embraced Spencer's "Social Darwinism" to justify laissez-faire, or unrestricted, capitalism.

Explanation:

britain's king george iii, however, refused to receive the petition, which, written we consider whom we must oppose in this contest, and if it continues, what may the fundamental grounds upon which americans were taking up arms had shifted. that king george refused to so much as receive the

it created the power of judicial review.