The shares of Social Security benefits subject to the individual income tax have grown rapidly since 1984, when benefits first became taxable. Initially, no more than 50 percent of benefits were subject to tax for higher-income taxpayers, and all of those taxes were credited to the Social Security trust funds.
The effect of the attack of Pearl Harbor was that it forced the U.S. into a war with Japan; a war that ended in the unleashing of the worlds first, and hopefully last, use of a nuclear bomb in an attempt to defeat an enemy.
World War 1 : How did WW1 affect the United States? The United States was affected by World War 1. The U.S was effected by political/social problems, racial conflicts and foreign policy issues. For example, the United States was effected by Isolationism, the Red Scare, and the Red Summer. The United States was affected by foreign policy issues with Isolationism.