Some inventions are the stump puller and a tree feller.
Malaria
25%
three main problems workers had while building the panama canal were engineering, sanitation, and organization
150,000,00
death and cancer
100,000 people died building the Grand Canal of China.
Tropical diseases, mostly spread by mosquitoes.
No, while France began the work they found it too expensive and difficult so they abandoned it. The US eventually took over and completed the building of the Panama Canal.
While building the pyramids, ancient Egyptians made several key inventions and innovations, including the use of ramps to transport massive stone blocks and advanced surveying techniques for precise alignment. They developed simple yet effective tools like chisels and levers, and they likely employed sledges lubricated with water to ease the movement of heavy stones. Additionally, they created a calendar system to plan construction timelines and manage labor. These advancements not only facilitated pyramid construction but also contributed to their architectural prowess.
The Grand canal is connected to the Huang He and the Chang Jiang and was created Wendi while in his reign time period.
The spread of ideas can include both inventions and patterns of behavior. Inventions are new products or processes that are created and shared, while patterns of behavior are the ways in which people act or interact based on shared beliefs or values. Both play a role in shaping and spreading ideas throughout a society.
Yes, building a canal can help regulate water flow and provide irrigation in dry climates, while digging a tunnel may offer protection from harsh weather conditions. These adaptations can help people cope with the challenges posed by different climates by providing necessary resources or shelter.