Assuming the underlined word is 'singing,' the correct answer is going to be A. participle.
A participle and a gerund look the same - they both end in -ing. However, participles are used as adjectives (as is the case here), whereas gerunds are used as nouns. Infinitives always have the same form, which is TO + verb.
Answer:
It's C.
Explanation:
A is incorrect. It was more like that before the US Constitution
B is also incorrect because presidents can only serve two 4-year terms.
So C is the only answer left.
Answer: B
The answer is an era of relative peace, with significantly less warfare in the world
In an era of relative peace, a country will much more likely to allocate all of its budgets into human skill development, welfares, and resource management.
This will open a lot of opportunity for career advancement and business development, which will lead to rising global economy.