The correct answer is - trade.
The Sumerians engaged in trade with their move of exchanging their surplus food for materials like the copper that they needed to develop their weapons and thus their army forces. This was a very smart move from their side because they managed to use the resource they had in abundance but was scarce in the other surrounding areas so that they take what they need to become stronger and pretty much defend more efficiently from the same people they were engaging in trade with.
<u>Answer:</u>
President himself informs Congress of the person that cannot carry out the duties.
<u>Explanation:
</u>
- If the person holding the post of the President finds himself incapable of performing his duties as the President due to any given reasons, he informs so in writing to the speaker of the US Congress and also to the pro tempore president of the 'Senate'.
- During this period of 'presidential disability', the Constitution authorizes the Vice-President to carry out the 'duties' of the President from his office.
The Stamp Act, Tea Act and Intolerable Acts were put into place without the consent of the colonists. This proved that Britain was not treating them as citizens, but merely as servants to their mother country.
The Americans realized that Britain was not going to stop enacting laws in the colonies this way, and they knew that secession was inevitable.
