At the same time, Britain feared that if it lost the American colonies, it would lose the entire British Empire. In 1776, Britain did not have 13 New World colonies, it had 30. The American Revolution raised the specter of the loss of Ireland and the British West Indies.
Crude divorce rate is the ratio of the number of divorces to the average population in a given year. Divorce-marriage ratio is the ratio of the number of divorces to the number of marriages in a given year. Refined divorce rate is the ratio of divorces to the number of married women. Divorce rate is the general term for all of these ratios.
Thus, from the description, the answer is divorce-marriage ratio.
The answer to your question is,
2/3 vote by both houses
-Mabel <3