Congress overruled Johnson's veto.
To protect individual rights in order to avoid any single power or entity within the government from having too much authority.
You avoid it by not having children. If you have a child you are legally responsible for financially providing for the child, unless the child has been adopted (in which case your rights and obligations to the child cease to exist).
You must avoid having food between 41° and 135°
They do not. Food items can be stored in containers which "click" shut. The important thing is to keep the container as air-tight as reasonably possible.
avoid having sex without protection...
Not always. Police officers often provide an advice of rights simply to avoid any possibility of having a statement invalidated later. In most cases you will know you are arrested when they put you in handcuffs.
The corporate charter giving preemptive rights can be enforced in court, if necessary, and a corporation would normally try to avoid having to defend such an action at a delicate time, i.e., while wooing new investors.
they wanted them to avoid war!
They wanted to avoid having political parties.
To avoid having bacteria spreading around and to avoid spreading diseases
avoid having the united states and european nations join against it APEX :)
The only guaranteed way to avoid it is amputation.