Main goal of the U. S. and the Soviet Union post World War II?

Which sentence best describes the effect of the bill of rights? a. it gave parliament the right to elect a successor when a monarch died. b.it ensured that no monarch could rule without parliament. c.it guaranteed all people the rights of liberty and property. d.it defined the rights of the officials of the church of england.

The rise of advertising in the 1920s. i am good with seeing how advertisements shape the roaring twenties and how it developed a new way of life through modern days. but i am not sure what the details of advertising in the 1920s were. if possible can you send me links (preferrably credential links) to sources that maybe show like the first company to start advertising through the radio, how advertising benefits (statistics graphs), etc.

What was one major cause of worldwide conflict during the first decade of the 21st century?