What is the main reason for narrowing a research paper topic?

Which philosopher and writer declared that science should be studied only with empirical methods because theory was a distraction? a. bacon b. hippocrates c. wundt

In what ways was michelangelo’s pieta different than previous renditions of the pieta done by other artists? ( you)

In 1947, the united nations create a country that would allow former nazis to start a new life. that could grow food to feed starving people in europe. where survivors of the holocaust could live. where nazi criminals could be held.