The answers are:
<span>Some oil refineries in the area flooded, releasing toxic sludge into the water that covered much of the city.
The city's position between Lake Pontchartrain and the Mississippi River led to widespread flooding.</span>
China lost the Sino-Japanese War (the first one) because of the corrupt and incompetent Qing Dynasty, which brutally exploited the Chinese, especially the Han people
Answer:
The most common are daggers and spear points for hunting, hand axes and choppers for cutting up meat and scrapers for cleaning animal hides. Other tools were used to dig roots, peel bark and remove the skins of animals. Later, splinters of bones were used as needles and fishhooks.