Choose 2 enumerated powers and describe how they are still relevant today

Section 8, Clause 1:  Power to Tax and Spend

The Congress shall have Power To lay and collect Taxes, Duties, Imposts and Excises, to pay the Debts and provide for the common Defense and general Welfare of the United States; but all Duties, Imposts and Excises shall be uniform throughout the United States;

Its today's relevance:

Without taxes, the government would be unable to meet the demands of society and make improvements necessary for the economic growth of a country as well as to help raise the standard of living.

The taxes collection is a form of raising the revenues' state in order to use it to meet the demands of the society by financing social projects in sectors such as health (social healthcare, medical research, social security, etc.), education (funding, furnishing, and maintaining the public education system), Governance (to pay public servants, police officers, members of parliaments, the postal system, etc.) and by funding other sectors that are important for the well being of the citizens such as infrastructure development, transport, housing, security, scientific research, environmental protection, defense, etc.

Article I, Section 8, Clause 8:  Copyrights and Patents

To promote the Progress of Science and useful Arts, by securing for limited Times to Authors and Inventors the exclusive Right to their respective Writings and Discoveries;

Its today's relevance:

Today's world is characterized for an easy digital reproduction and distribution, where anyone can take a content and spread it the way it wants (badly or not), and sell it too. When authors have the copyright of their writings or discoveries, they can protect their work against piracy and control who makes money off of it, legally.

When authors are protected by law that their work will be protected, even if it's just for a limited time, they tend to feel more encouraged to keep creating.

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the industrial development of cities in the ruhr area in the nineteenth century is described. the research was based on english and german language sources. several factors that shaped growth and paths of the cities were categorized and analyzed. they are locations, resources, traditions, entrepreneurs, and technological developments. locations and resources were the most important among them; other factors may be regarded as consequences from locations and resources. among the cities, bochum, essen, gelsenkirchen, and dortmund had the richest resources and most favorable locations in the transportation network and grew to be the largest cities in the ruhr area near the end of the nineteenth century. riverside location was also a favorable factor for the development, as shown in the development of duisburg on the confluence of rhine and ruhr. resource distribution can explain the rise of textile industry, metallurgical industry, and coal and iron industries, and the northward progression of the mining industry. tradition was an important factor for cities such as krefeld, barmen, elberfeld, solingen, and remscheid, which experienced development based on their traditions through the nineteenth century. various entrepreneurs exerted influences within and beyond the local level over the ruhr area. technological development stimulated the northward progression of the mining industry and the deep connection between the coal and the iron industries.