What do you mean with 12 century leaders. Are you sure it says 12 century?
Answer:
caviling at
Explanation:
The word "caviling" means making unnecessary objections or complaints. In order words it means to raise trivial and irritating objections.
In the context, hardly anyone blamed others for their deeds. But Thaddeus astonished his coworkers or colleagues when he began to cavil at or make objection at their most unimportant mistakes.
Hence the answer is -- "caviling at".
The correct answer is A. Reunifying several kingdoms
Explanation:
The Song Dynasty included around nineteen emperors who ruled China from the 10th century to the 13th century. This dynasty is recognized due to its multiple advancements in terms of government and culture. Indeed, during this dynasty, national paper money began to be used as part of the economy and a centralized government was established. This political change unified many kingdoms or territories in China as these were under the rule of the same emperor and share different elements including the use of the same currency.
The correct option is A
Western Asia is a mainly arid and semi-arid territory, and may be subject to drought; In spite of this, there are extensive extensions of forests and fertile valleys. The region consists of pastures, dehesas, deserts and mountains. Water scarcity is a problem in many parts of Western Asia, for the population that grows steadily.