This is a tricky question, because none of these answers are completely true, but the best option if you have to choose one would be "President Lincoln suspended habeas corpus to keep Maryland <span>in the union."</span>
Archaeologists have discovered bakeries, breweries, granaries, houses, cemeteries, and probably even medical facilities
Honesty contributes to effective leadership because once someone knows you are a trustworthy(honest) person they'll trust you with almost everything. If someone in work knows your the most honest person at work or in anything else they'll go to you for advice. And lastly if your honest that will benefit you in leadership because the people your leading will know that if they don't do something right you'll tell them immediately.
D. Because the king or emir has considerable powers