third way to determine how many equivalent protons there are is to look at the atom attached to. the proton (usually a carbon) and observe what that atom is bonded to, and then the atom bonded. to that, all the way until a difference is observed.
The goal of imperialism is  to exercise economic and political control over a dependent territory. Such control is often accomplished through settlement, sovereignty or less direct methods.
On the other hand, writers like John Conard and Holison are highly critical of the role of western imperialism in Asia and Africa. They associate imperialism with exploitation, misery, poverty, cruelty, conversion, degradation and racial segregation. Holison says that imperialism was 'rapacious and immoral'.