What is the author’s main argument in this passage? Grinde and Johansen’s theory is mostly incorrect. Grinde and Johansen’s theory is vague and unclear. Grinde and Johansen’s theory is correct, but flawed. Grinde and Johansen’s theory is correct without a doubt.

Grindr and Johansen’s theory is mostly incorrect.

Explanation:Read the last sentence of the passage.

during both period congress passed law restricting the civil liberties of american citizen that meet with the overall public support is the one statement that explain the rate scare of the 1920 and 1950 is very similar

speed =5445/33=165 mpm