1. What societal, ecological, or technical constraints should resource managers consider before proposing solutions? 2. Describe the design solution engineers and scientists developed to prevent contamination of Cleveland drinking water. Why did their solution need to address both sub-problems equally?
3. Propose two additional solutions to address the ecological phenomena causing the water contamination in Lake Erie.
Part 2: Claim-Evidence-Reasoning
1. In what ways have the buoys lessened the negative effects of water contamination in Lake Erie.
2. How can unmonitored water contamination affect human populations, farming, and industry in the Cleveland area?
3. What evidence from the video supports this claim?
Claim: Human populations are dependent on technological systems to monitor natural resources.
4. What evidence from the video supports this claim?
Claim: Human populations and societies are affected by the availability of natural resources.
5. A causal relationship means one action or event is the cause of another. A correlational relationship describes a connection between events, but it does not mean one event or action caused the other. Does the video describe a causal or correlational relationship between the health of the Lake Erie ecosystems and human needs and activities surrounding it?

the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.

"a shortage of traditional labor created new opportunities in the workplace. a major cause of the internment of japanese americans during world war ii was. racial prejudice. in the early 1940's, the "destroyers-for-military-bases deal" with great britain and the lend-lease act were evidence that the united states."

superior technology and improved medical knowledge to foster imperialism. quinine enabled europeans

to survive tropical diseases and venture into the mosquito-infested interiors of africa and asia. the combination

of the steamboat and the telegraph enabled the western powers to increase their mobility and to quickly respond

to any situations that threatened their dominance. the rapid-fire machine gun also gave them a military advantage

and was in convincing africans and asians to accept western control. the following table summarizes the

causes of the new imperialism:

causes of new imperialism

economic military/political humanitarian/religious technological

need for markets need for military bases white man’s burden new medicine

raw materials national security spread of christianity new weapons

source of investments source of

pride—nationalism

social darwinism

(superiority of western

society)

transportation

i

otzi the iceman existed at a time when the climate was warm