The first to photograph war, made 3,500 photographs covering both sides of the u.s. civil war.

The answer is 'Mathew Brady' the American photographer, he is well known for his political photographs and portraits of the American civil war which shows the both sides of the American civil war.

Mathew Brady is frequently all the alluded on as those adore for music, something he imparts to him father for photojournalism and known to as much documentation of the civil war. As much photographs, What's more the individuals he commissioned, needed a colossal effect looking into social order In the time of the war, and keep on finishing with the goal today. 

The option A is correct.

Explanation:

Public opinion is the expression of popular participation in the creation, control, execution and criticism of the guidelines of a society. It is also called common sense, which includes ideas considered correct by most of society, which follow an ethical-moral standard that is subjective according to their culture, social conditions and, in some cases, their religion. When one says, for example: "Public opinion is pressing the government," it means that civil society, usually through the media, expresses a position of pressure on the government.

It is very important that the public opinion agrees with the government of a region and for this reason political parties can give journalists access to research data that supports the party's political ideas and can investigate people who are influential and can join the party. political party representing it in important districts