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.
Quick Answer. Lasting less than 2 hours, the assault on Pearl Harbor resulted in the deaths of more than 2,500 people and wounded more than 1,000 more. The losses at Pearl Harbor also included 18 American ships and about 300 airplanes. Continue Reading.