Which of the following contributed to the collapse of command economies in
communist states around the end of the Cold War?
O A. They failed to produce enough consumer goods, including food,
for their citizens.
B. They created problems, such as high unemployment, by reducing
government spending.
O c. They prevented the government from regulating employee safety
and pollution
O D. They allowed wealthy factory owners to exploit their lower-class
workers.

in contrast, the biological controls are self-sustaining, inexpensive and very effective once established. biological control could be used on thousands of golf course acres, improving their biodiversity and quality as wildlife habitat. in the process, the golf industry will be shown to be leaders in an environmental stewardship program of benefit not only to the lands they manage but also to the watersheds in which they exist.

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explanation: i just want to

can someone just answer this