Answer:
Workers dug the canal in 1900 is explained below in details.
Explanation:
The Panama Canal was created by constructing gates on the Chagres River to build Lake Madden and Gatun Lake, following the Gaillard Cut from the river within the two lakes and across the Continental Divide.
The canal was formerly a French scheme, and Panama was originally a portion of Colombia. Foundation started in January 1882. By 1888 the work crew estimated about 21,000, There were French engineers and others.
The Russo Japanese war of 1905 was a decisive victory for Japan. This stirred a frenzy of Japanese nationalism, which gave the Japanese military the respect of the people. The Japanese army commanded increasing respect from Japanese politicians hence the rise of army officials in Japan's domestic and foreign policy.
What the person is applying on the scenario above is the classical conditioning. The classical conditioning focuses on acting or pairing up two stimulus which are named as the conditioned and unconditioned stimulus. Those stimulus are being presented above in which the first and second statement describes. They are being done in order to analyze consequences that could be done with the different stimulus applied.