The answer to this should be A :)
Answer: Stratified random sampling
Explanation:
In stratified random sampling the population of choice is partitioned into subgroups. Then the samples for study are selected randomly from the subgroups.
The given situation is the example of stratified random sampling this is because of the fact that the population is divided into subgroups on the basis of the social class and age. Then the voters were randomly selected from each subgroup.
Considering the available options, the events that could be a threat to a state’s sovereignty at the national scale while holding a region together at the global scale is "<u>Admittance into a supranational organization such as the European Union."</u>
<h3>What is a Supranational Organization?</h3>
A Supranational organization is a type of organization in which the members, usually the countries, surrender their power and autonomy on specific issues, precisely internal matters concerning all the members, to the organization's rulings.
The advantage of being a member of a Supranational organization is that it keeps countries together and formidable on a world scale.
For example, the European Union, where all the members vote to make decisions on issues concerning all the organization members.
Hence, in this case, it is concluded that the correct answer is option C. "<u>Admittance into a supranational organization such as the European Union."</u>
Learn more about European Union here: brainly.com/question/13929900
Answer: Measurable.
Explanation: It is possible to measure a market segment and the difference in preference for a product by knowing the size, purchasing power and profile of a market segment.
