1) The role of lobbyists in politics involves representing the interests of specific groups or industries and advocating for favorable policies or influencing decision-making processes within government institutions.

2) The development of the microprocessor by Intel in 1971 paved the way for the modern computer and led to the exponential growth of computing power.

3) The concept of sovereignty refers to the supreme authority and power of a state to govern itself, make decisions, and control its own territory without interference from external forces.

4) The fingerprints of koalas are so similar to humans that they have been mistaken at crime scenes.