By making steam engines a reliable power source
Lever<span>, simple machine consisting of a rigid bar that rotates about a fixed point, called a fulcrum. </span>Levers<span> affect the effort, or force, needed to </span>do<span> a certain amount of work, and are used to lift heavy objects.</span>
Congress lacked authority, they could not protect trade between foreign nations and other states.
Are you asking what they depended on to make money?
