2. How did President Nixon secretly expand the Vietnam War? He ordered the bombing of North Vietnamese bases in Cambodia.
He stopped the withdrawal of U. S. troops that he had begun in 1970.
He withdrew American representatives from the Paris Peace Accords.
He began planning a ground invasion of North Vietnam for 1974.

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.

Explain the importance of carnegie, morgan, and rockefeller on the american political scene of the early 1900's.

The annexation of bosnia and herzegovina by austria-hungary in 1908 caused serious bitterness between serbia and austria-hungary.