Answer:
Some of the challenges of democracy are as follows:
Corruption and Inefficiency.
Role of Anti-Social Elements.
Growing Economic and Social Inequalities Among People.
Casteism and Communalism.
Answer:
A person who is actively searching for employment is unable to find work.
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Answer:
Combustion engine
Explanation:
The combustion engine were some of the most significant and very far technologies of the Industrial Revolution. This was first presented in 1878 and was propelled by gas and air, making it unsuitable for large public use. During the Industrial Era, the combustion engine was perhaps the most efficient, both in the early years and even in the long run.