The predicate is the very and everything that follows after it, which could include adverbs, prepositional phrases, and other parts of speech. For example, "The dog ran across the street to the neighbor's house". Find the verb (the action or in your case, a linking verb such as is, are, was, wear, am). In my example, the verb is 'ran'. So the predicate is:
-ran across the street to the neighbor's house
For your sentence, the predicate is -was very strong.
When he says that the whole enterprise of imperialism is carried out to avoid being laughed at, Orwell means that there is a wide gap between British imperialist ideology and its reality.
When Britain submitted Burma under their domination it was expected that the Burmese people would benefit in all aspects from their contact with Britain. However, The Burmese stuck to their customs. Besides They despised and ridiculed the British.
The answer to the first is B. Appositive position, because it is separated with commas. The answer to the second is C. predicate position, because Frustrating is a participle that combines with is to create a predicate.
Four score and seven years ago our fathers brought forth, on this continent, a new nation, conceived in Liberty, and dedicated to the proposition that all men are created equal. Now we are engaged in a great civil war, testing whether that nation, or any nation so conceived, and so dedicated, can long endure.