Texas joined the Confederacy in 1861
No states joined the Confederacy during the month of March 1861. Seven states joined the Confederacy prior to March 1861 and four more after that.
No, it didn't. Arkansas joined the confederacy on May 6, 1861, while the hostilities started on Apr.12, 1861.
Arkansas joined the Confederacy after the assault on Fort Sumter. They joined on May 6, 1861.
It joined the CONFEDERACY in June 8, 1861.
Three states, Kentucky, Maryland, and Missouri were slave holding states but did not join the Confederacy. Each of these states have complex reasons for remaining in the Union and yet retained their slaves. Tennessee was a slave state and joined the Confederacy. The latter was late, joining the South in May of 1861.
On January 9, 1861 Mississippi became the second southern state to declare its secession from the United States of America. On February 4, 1861 it joined with six other southern states to form the Confederacy.
None. By definition, the Border States were the slave-states that stayed out of the Confederacy. At one point, the Confederate General Braxton Bragg managed to invade Kentucky and set up a Confederate government there (and briefly, the regimental tailors were ordered to sew a twelfth star into the Stars and Bars), but it collapsed as soon as he retreated back across the state border.
Virginia voted to secede on Apr. 17, 1861. The secession vote was ratified by the citizens of Virginia on May 23. Virginia then existed as an independent republic until it joined the Confederacy on June. 19, 1861.
On June 17, 1861, Union forces led by General Lyon defeated pro-slavery militias in Boonsville, Missouri. This early Confederate defeat helped the Union to keep Missouri from joining the Confederacy.
Louisiana joined the Confederacy because, as with the other Southern slave States, it believed that being indepentant from the USA and joining the Confederacy was the best thing to do in order to maitain its way of life. Louisiana joined the Confederacy before the incident at Fort Sumter. Louisiana declared its secession from the United States on January 26, 1861.
Texas joined the Confederacy on March 2, 1861 after seceding from the Union a month earlier.