Answer:
The answer should be: Companies replaced hand-operated brakes with air brakes on trains.
Explanation:
You have to think how hard it was for trains to stop with hand operated brakes. Trains go fast, and not stopping in time can be dangerous. Hope this helped :)
Nomadic means they was traveling. Reservation means that they stayed/lived on a reservation.
We
can define the reasons that why United states have a bicameral congress in historical, practical and theoretical way. If we look
at the historical reason we see that the British Parliament had consisted of
two houses since the 1300s, and if we see practically, the Framers
had to make a two-chambered body to settle down the conflict that is between
the Virginia Plan ( in this plan, there are two houses of congress and the
population will determine the representation in each house) and the New Jersey
Plan (in this plan there is a single house of Congress and each state would have
an equal vote) <span>at Philadelphia in 1787 and theoretically the farmers
preferred a bicameral congress in a way that one house of congress would have
check on the other house.</span>
Article 1 gives Congress its powers and limits. ... Article 1 also creates the two sections of Congress, the Senate and the House of Representatives. Article 2 of the Constitution. Article 2 of the Constitution makes the executive branch of the government.
