It was said to have originated from North America. The oldest evidence was pumpkin seeds from between 7000 - 5500 BC from Mexico. <span />
The constitution can be amended when the Congress proposes an amendment, and this is ratified by the states.
when the Congress proposes an amendment, this has to pass through two bodies of the Congress: the House and the Senate.
Serfs paid the owner of the land (in the form of labor) to be able to live on the land and have protection, if the serf were to leave. It was usually an unspoken agreement that they serf would stay on the land. If you still need further information you might find some on http://www.thefinertimes.com/Middle-Ages/serfs-in-the-middle-ages.html
Answer:
Many used to write on rocks.
Explanation: