Because industry was booming more people moved to cities for jobs. So A. is a change that did NOT happen
The rest of the answers are changes that Happened
Efficacy is getting matters. it's far the potential to produce a desired amount of the desired effect or fulfillment in attaining a given intention. efficiency is doing things in the maximum low-priced manner. it's far the ratio of the output to the inputs of any device (appropriate input to output ratio).
Efficacy and effectiveness are close enough which means that they're regularly used interchangeably in contexts. however, effectiveness is regularly extra especially used inside the context of the way something accomplishes an assignment while efficacy conveys the quantity to which something accomplishes its task in any respect.
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An increase in the cost of pet grooming supplies would shift the supply curve for pet grooming services leftward
The amount of a resource that businesses, producers, workers, providers of financial assets, or other economic agents are willing and able to offer to the market or to a specific person is known as supply in economics. Supply can refer to manufactured items, labour hours, raw resources, or any other in-demand or pricey item.
Supply is frequently represented graphically as a supply curve, with amount supplied as a function of price on the horizontal axis and price per unit on the vertical axis. It is sad yet a common practise to reverse the dependent and independent variables from their customary positions.
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Answer: Establishment Clause
The Establishment Clause is part of the First Amendment to the United States Constitution. It is also part of the constitutional right of freedom of religion (along with the Free Exercise Clause). The clause states that Congress does not have the power to make laws respecting an establishment of religion, or prohibiting the free exercise thereof. This was a particularly important protection in the United States as the country was populated by people who were escaping religious persecution in Europe.