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.
Starting in late 1961, voter registration became the new civil rights priority, and CORE focused on Florida, Louisiana, and South Carolina. At this time many civil rights workers were beginning to feel that black political power, not integration, offered the best hope for achieving racial equality.