Back translations may not always ensure an accurate translation because of commonly used idioms in both languages. Which type of translation is used to overcome this problem?

E.  parallel translation.

Explanation:

Based on the information provided it can be said that the type of translation commonly used to overcome this problem is parallel translation. This is a type of translation in which two translators both work on the same text in order to create a back translation. This translation is later compared and analyzed, until the most appropriate translation is chosen for use.

answer; by working independently, the states have a high likelihood of developing innovative solutions that can be employed in other states;