Answer:
The Open Door policy—first initiated in 1899, with a follow-up missive in 1900—was significant in its attempt by the United States to establish an international protocol of equal privileges for all countries trading with China and to support China's territorial and administrative integrity.
Explanation:
Answer:
It was Theodore Roosevelt
Explanation:
The president during the construction of the Panama Canal was Theodore Roosevelt
4. World population did not reach one billion until 1804.
Answer:
That depends on your time zone.