What are the main purposes of the united nations according to the charter preamble?

a to provide a meeting place to solve international problems
b to prevent and combat aggression
c to develop friendly relations among nations
d to promote human rights and freedom

1st and 3rd : ) now lemme smash

you will need these

an outline of all three paragraphsan identification of the historical era that you are writing aboutan explanation of the term mass productiona description of two ways new technology affected industrya conclusion that shows how new technologies allowed industrialization to grow