The major thyroid hormone that is produced by the thyroid gland is thyroxine (T4). A small amount of another thyroid hormone, triiodothyronine (T3), is also made by the thyroid gland. Thyroid hormones have far-reaching effects on the body, in essence governing the body's metabolic rate.
In 1867, Congress passed a law requiring the former Confederate states to include black male suffrage in their new state constitutions. Ironically, even though African American men began voting in the South after 1867, the majority of Northern states continued to deny them this basic right.
He encountered considerable resistance to civil rights reform efforts, but the Mississippi voter registration effort created conditions for racial reform by bringing together three crucial groups: dynamic and determined SNCC ï¬eld secretaries, inï¬uential regional and local civil rights leaders from Mississippi, and white student volunteers who participated in the ââFreedom Voteââ mock election of October 1963 and the Freedom Summer (1964).