An ideology refers to a set of ideas that are mostly related to politics, policy making, and economic aspects. The primary aim of these ideas is to make the world a better place. The term contains a self-explanatory theory that attempt to define and explain politics through integration of different ideas.
I believe, the term ideology represents a vision for the community, and the set the bar for politicians to set their goals when serving the society. The emphasis is to appeal and implement what is good for the community. An example includes a republican or democrat. The groups have political freedom whose goals are destined to help the public.
Question 2
Conservative ideology favors use and application of traditional ideas. This concept aims at embracing change and innovation while maintaining and respecting traditional values. Liberal ideology on the other hand refers to willingness to accept and respect individual’s ideas. This implies that every leader who uses liberal ideology has to promote the right of individuals and also exercise democracy.
Question 3
Althusser explains that the term ideology always exists in a practical environment. It has no history, however, the content of current ideologies may change while the form may remain the same.

