<span>b. increased technology encouraged the creation of labor laws for more safety and higher wages, which encouraged employees to work harder and produce a larger number of goods</span>
All public swimming pools should have a lifeguard on duty because not everyone can swim or someone may have an accident. The life guard who can swim should be on watch to keep those accidents from happening and prevent people drowning.
Option C. Columbus underwent deep voyages and discovered the present day America. He also discovered the marine route which associated the old Eastern world to the new Western world.
After the establishment of Sea route there was exchange of goods with other countries started. But the negative impact was that people of Eurasia were not healthy with high levels of immunity.
The interchange of food supplies also initiated the arrival of dangerous diseases too and major part of the European, native American and Asian population died causing shortage of human labor, this gradually lead to the slavery of Africans.
Answer:
The answer is C.
Explanation:
The First Opium War took place from 1839 to 1842. It faced the Qing Dynasty and the British Empire, and broke out as a result of the differences between both countries regarding opium trafficking, as the Chinese wanted to prohibit this activity, that was very profitable for the British. The war began with the British Expeditionary Fleet shelling Guangdong Kowloon and finally defeating the Qing Dynasty, ending with the signing of the Treaty of Nanking, which granted European powers free access to Chinese ports. This war was the first large-scale war initiated by Western countries against China. The war opened the door to China's retreat, and marked the beginning of China's modern history.