Mculloch refused to pay taxes
Maryland passed a law taxing federal banks
Explanation:
Mculloch Vs Maryland was the a case before the Supreme court in 1819 and the court decided in favor of Mculloch. The court took a decision on whether the Congress had the power to create national banks and whether the state of Maryland interfered in the powers of Congress by deciding to tax the banks.
before 1819 differences of opinion existed between the members of the Congress on whether federal governments should be allowed to create and run a national Bank. Despite oppositions,National Bank started working in the US and the state of Maryland was dissatisfied. They imposed taxes on the Baltimore branch of the Bank of united States and the bank's cashier James W Mculloch refused to pay the taxes and the conflict was resolved by the Supreme court decision that came in favor of Mculloch in 1819.
Impeding - to delay or prevent by obstructing it/them.
so your answer is B. Obstructing; slowing down.
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During the Presidenty of Barak H Obama, the countries in North Africa and Middle-East experienced what is now called the Arab Spring.
These were small-scale protests by people against the government. Most people stood up against what they believed what injustice by Dictators. These eventually turned into Pro-Democracy protests and in some extreme cases turned into a civil war.
The original protests started in Tunisa and resulted in the removal of a dictator. They spread across to Egypt where Husni Mubarak was jailed and Muslim Brotherhood took over. Eventually the army stepped in and Egypt again is a dictatorship.
In Libya, it led to a full scale civil war which led to the capture and death of Gaddafi.