Which nation has a unitcameral (one-house) legislature known as a knesset

Israel's

Explanation:

The Knesset (Israel's unicameral parliament) is the country's legislative body. The Knesset took its name and fixed its membership at 120 from the Knesset Hagedolah (Great Assembly), the representative Jewish council convened in Jerusalem by Ezra and Nehemiah in the 5th century BCE.

even though you have attached neither the chart nor the generalizations, i have located them online. the right answer is d, since they are asking you about a generalization. you can only infer from the chart that between 2008 and 2009 the number of employed workers decreased significantly (from over 115 millions to 107 millions approximately), which signals some type of economic crisis.