1. The Chief Justice of the High Court discharges the duties of the Governor in his absence.

2. The President appoints the Chief Justice of the High Court in consultation with the Chief Justice of India and the Governor of the State.

3. Every High Court shall consist of a Chief Justice and such other Judges as the President may decide.

4. According to Article 214 of the Indian Constitution, there shall be a High Court for every State.

The invention of the railway engine is credited to George Stephenson. The correct answer is (D) George Stephenson. George Stephenson, an English engineer, is known for developing the first practical steam locomotive, named "The Rocket," which played a crucial role in the early development of railways.

The War of American Independence, also known as the American Revolutionary War, took place between 1775 and 1783. Therefore, the correct option is not listed among the provided choices. If we consider the closest option, (D) 1776, it is a significant year within the timeframe of the war as the Declaration of Independence was adopted on July 4, 1776. The war itself had already begun in 1775.