What does dual sovereignty mean?
A. The states and the federal government each have powers.
B. Each state has its own powers that other states cannot violate.
C. The president has the same powers that a king would have.
D. The state and local governments have equal power.

The united states mexico’s economy during world war ii byordering raw materials and offering workers jobs.buying the rights to its oil and mineral fields.paying for mexico’s weapons and recruiting soldiers.investing in mexico’s roads and railroads.correct answer on edge.. "ordering raw materials and offering workers jobs."

Which 19th century technological advancement would best allow farmers along the mississippi river in iowa to quickly transport their crops to buyers in louisiana?

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.