H.R. 2520 is a bill in the United States Congress, also known as <em>Browser Act of 2017</em>; under the Energy and Commerce committees, and the Subcommittee on Digital Commerce and Consumer Protection, trying to ensure that Internet service providers notify users about their privacy policies, for users to have the option of disclose or authorize access to the user's sensitive information collected by such providers.
It's basically trying to prevent the abuse of privacy by internet providers to their users.
The Truman doctrine and NATO were United States responses to the communist threat after WWII.
Answer: A. Cavalry
Explanation: The "blitzkrieg" is a military tactic that was created by the Germans during World War 2. Speed is a requirement as a blitzkrieg is meant to overpower the enemy before it has time to prepare for battle or receive aid from allies. Tanks and planes are also key components as they are powerful and maneuverable, which is also needed for a blitzkrieg to be successful. Cavalry is not, and never was, needed for a blitzkrieg.
He called the imaginary barrier the "Iron Curtain". He used this image to oppose the Soviet union expansion, and keep in communism in check.
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