Answer:
Decreased the power of the Boyars by introducing a merit-based system and allowed lower class people a chance. He also sent boyars children away to Europe to be educated).
Explanation:
C) The purchase of Treasury Notes
Actually, all of those answers were part of treaty agreements between the United States and Great Britain in 1817-1818.
The one that seems odd in the list is "Oregon Country disputed," because that was a matter not settled at that time. In the Treaty of 1818, the two sides agreed to some joint occupancy of the Oregon Country for ten years. Actual resolution of disputes over joint occupancy didn't come until the Oregon Treaty of 1846.
The correct answer-
<span>Events covered include the effects that DDT had on the environment and the Cuyahoga river in Ohio catching fire because it was so polluted. In 1969, the crew of a Japanese fishing vessel near Bikini Atoll were exposed to massive doses of radiation from the fallout of an H-Bomb test. The concern over the environment went on way before that, though. </span>
