In 1882 the Chinese Exclusion Act was passed by the u.s congress and signed by president Chester Arthur, it was first significant law that restricted immigration into the u.s ethnic working group.
I believe it is large infrastructure projects. I couldn't be a direct election because the emperor wasn't voted in.
The answer would be 16 years
These modern diplomacy protocols limit it
The United States president can take two actions in amending the constitution.
1) The president can introduce legislation. This means he/she can propose an idea they want added to the constitution. It is then up to Congress to vote and pass the proposed legislation.
2) The president can use a veto in order to stop an amendment from being added to the constitution.