A ligament is a short band of tough, flexible tissue, made up of lots of individual fibres, which connect the bones of the body together. Ligaments can be found connecting most of the bones in the body.t is most common when the ligaments around a particular joint are at full-stretch can cause it to tear away from the bone. The most common torn ligaments are knee ligaments and ankle ligaments.
A federal income tax is a tax levied by the United States Internal Revenue Service (IRS) on the annual earnings of individuals, corporations, trusts, and other legal entities. Federal income taxes are applied on all forms of earnings that make up a taxpayer's taxable income, such as employment earnings or capital gains.
Federal income tax was first introduced under the Revenue Act of 1861 to help pay for the Civil War. It was renewed in later years and reformed in 1894 in the form of the Wilson-Gorman tariff. Legal challenges centered on whether the income tax then in force constituted a direct tax.