Your answers are a,b,d,and possibly g hope this helps:)
The three rights that were mentioned were rights to life, liberty, and the pursuit of happiness, and that men organize into governments in order to protect these rights. If a government should infringe upon these rights then they should be replaced since they need to have the will of the governed behind them in order to ensure the existence of these rights.
China. It was largely caused by the Open Door policy.
A. Written documents.
Unless in other circumstances, then art work. One could easily analyze art work. A would still be your best choice.