Under President Reagan, the United States began to develop the Strategic Defense Initiative, nicknamed "Star Wars.” What was the goal of that plan? to build up the nation’s defenses
to strengthen the nation’s offensive power
to support the nation’s space program
to continue the policy of détente

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.

Why are the prairie provinces an important economic sector of canada? (site 1)

What does the word globalization describe the process of?