Answer:
11
Explanation:
In the steam and leaf chart there are 11 numbers that are at least 60 but less than 90.
I think the check and balances system work really well in united states.
This system prevent the government from becoming too tyrannical because it separate our government into legislative, executive, and judiciary branch.
If, one government handles all these three, the government could basically violate the law and directly change the law after that so it wouldn't be considered a crime
(What was happening in the year 1000 in Europe)
Danes control England. Canute takes throne (1016), conquers Norway (1028), dies (1035); kingdom divided among his sons: Harold Harefoot (England), Sweyn (Norway), Hardecanute (Denmark). Macbeth murders Duncan, king of Scotland. Robert Guiscard, Norman invader, establishes kingdom in Italy, conquers Sicily (1072).
(Changes that occurred in Europe)
During the High Middle Ages, which began after 1000, the population of Europe increased greatly as technological and agricultural innovations allowed trade to flourish and the Medieval Warm Period climate change allowed crop yields to increase.
