The last few decades have seen significant changes in the percentage of women's workforce, especially mothers with underage children, most of whom are working full-time. For example, from March 1975 to March through March 2000, the percentage of mothers with children under the age of 18 rose from 47% to 73%. Thus, According to the data of the U.S. Bureau of Labor Statistics in 2007, this percentage is 71%.
The U.S. Government used treaties as one means to displace Indians from their tribal lands, a mechanism that was strengthened with the Removal Act of 1830. In cases where this failed, the government sometimes violated both treaties and Supreme Court rulings to facilitate the spread of European Americans westward across the continent.<span>As the 19th century began, land-hungry Americans poured into the backcountry of the coastal South and began moving toward and into what would later become the states of Alabama and Mississippi. Since Indian tribes living there appeared to be the main obstacle to westward expansion, white settlers petitioned the federal government to remove them. Although Presidents </span>Thomas Jefferson<span> and </span>James Monroe<span> argued that the Indian tribes in the Southeast should exchange their land for lands west of the Mississippi River, they did not take steps to make this happen. Indeed, the first major transfer of land occurred only as the result of war.</span>
The work permit is usually issued 90 days after the petition is filed with Uscis