These governments activites are examples of

Collecting tax, borrowing money and establishing courts are government activities are example of reserved powers.

This kind of power is not restricted or given by law or any organ of the government. In different countries, the reserved powers are given to different branches.

For example, in Canada, the federal government holds the reserved power while in the United States, constituent states possess reserved power. While countries like India, Israel, Ireland whose legal framework are similar, have same status and framework of reserved powers.

the growing interconnectedness of the world through communication, trade, and the exchange of ideas is an important theme in the history of the 20th and 21st centuries.

explanation:

the two atomic bombs dropped on japan in 1945 killed and maimed hundreds of thousands of people, and their effects are still being felt today. the uranium bomb detonated over hiroshima on 6 august 1945 had an explosive yield equal to 15,000 tonnes of tnt.