The "give me liberty or give me death! " is a line from a famous speech from the time of the american revolution. what was the purpose of this speech?

In the speech, Patrick Henry emphasizes his view that there is a need to feud for the truth and God's purpose. His speech is based on his belief that the alternative to fighting is slavery.

to increase support for the independence movement

i just did something on this guy a few days a go give me two minutes to find it in my notes.