This incident caused Congress to authorize President Johnson to use all forces he deemed necessary to deal with the Vietnam situation. While not really a declaration of war, it was used by Johnson as authority to send major US forces into S. Vietnam and was the start of the major build up in 1965.
Early labor is the longest part, lasting eight to 10 hours. In this phase, the cervix opens from 0 to 3 cm. Contractions are mild and between five and 20 minutes apart. You may feel excited and relieved during this part of your labor.
The First Stage of Labor. The first stage is the longest part of labor and can last up to 20 hours. It begins when your cervix starts to open (dilate) and ends when it is completely open (fully dilated) at 10 centimeters.When the cervix dilates from 0 to 3 or 4 centimeters, contractions get stronger as time progresses.he First Stage of Labor. The first stage is the longest part of labor and can last up to 20 hours. It begins when your cervix starts to open (dilate) and ends when it is completely open (fully dilated) at 10 centimeters.