What are duties of the national chairman?

campaign manager and fund-raiser
campaign fund spending and fund management
public relationships
assisting the president in awarding loyal party workers
all of the above

From the given, duties of the national chairman are

Explanation:

Chairman of the political party national committee who usually serves as part of the permanent organization of the party and has overall control of the political party policy in particular during elections

One of the decisions made by the President after the elections is the role of a regional President.

President Trump's selection for national chairperson is Ronna McDaniel of Michigan.

One of the Chairman's important duties is to guarantee that the organisation's management is competent. The national president is the one who overlooks a national committee's activities and management.

new communications technology has affected the way social movements are organized because nowadays, social movements rely on social networks and the media to get different people with a similar way of thinking in contact, and thus, get them to mobilize for a greater cause.

individuals only participate in collective action when they feel identified with it. is in this aspect that social media becomes relevant, because it guarantees communication among all individuals and organizes the social actions that are going to be carried out, i.e., the social movements.

in addition, being covered by the media is important to validate the message and make it relevant in the social agenda, as well as to reach more people who can share interests, appealing to public sympathy for their cause.

in conclusion, it is by social networks and social media that social movement is given birth; by connecting different individuals with similar ideas and organizing them to mobilize for a greater cause.

there are indirect ways of affecting state laws   by with holding funding's. and that's why we have a 55mph speed on the high way with a design of 70mph speed.