B. It is B because A growing fear of immigrants and Catholics
States demanded the power to regulate trade is best answer why did Congress call for the Constitutional Convention, articles of confederation simply didn't regulated that matter
<span>In Montesquieu's De l'Esprit des Louis (Spirt of Laws), he argues for government system that have a "separation of powers," since he believed this is the best way to protect individual liberty. </span>
Advantages: Primary sources directly address your topic and often provide information that is unavailable elsewhere. For example, the questions you compose for an interview or a survey will likely target your unique interest in the topic. Similarly, to test a particular hypothesis, you can design your own experiment.
Disadvantages: Some primary sources, such as eyewitness accounts, may be too close to the subject, lacking a critical distance. Others, such as interviews, surveys, and experiments, are time consuming to prepare, administer, and analyze. Finally, unless you have been trained in accepted methodologies, your own primary research in certain fields of study may not be recognized as valid.
Explanation:
The difference between a confederal system and a federal system is that each confederation member state is the holder of supreme power while the federal units in a federal state have no power, given the fact that sovereignty is exclusively vested in the federal state.
