Citizens participate in democratic governments by voting, running for public office and forming or joining political parties. This is a general statement and does not cover all aspects of participation avenues for citizens.
An ordered government is one with orderly regulations between all parts of government and state. A limited government is one that has regulations placed on it for what it can and can not do, such as, and generally including, ensuring the rights of it's citizens. A representative government is one in which officials are elected by the general populace to create public policies.
The government is in charge of administration and regulation of the government.
Answer: Governments provide public goods where the markets cannot or would not step in. An example of a public good provided by the government is the Rural Electrification Projects of the New Deal. I wouldn't be profitable if the companies began to provide electricity to rural areas, but the government stepped in and provided it for the outer sections of the country. Additionally, the government creates a labor force by requiring children to go to school until a certain age, ensuring that when they become adults, they will have a certain level of knowledge that will allow them to work.
I'm not sure if this is supposed to be multiple choice but the legacy of colonization is characterized by the expansion of the belief that white people regin supreme over those of other races/colors and cultures. They viewed white practices as more civilized and those of other cultures as uncivilized.