Why do these authors argue the federal government seems to have increasingly preferred the “stick” or coercion type methods over the past few decades?

Using The Logic of American Politics chapter on Federalism, explain the differences between “the carrot” vs. “the stick” methods the federal government uses to get the states to adopt a policy, while also providing a specific example of each method featured in that chapter. Why do these authors argue the federal government seems to have increasingly preferred the “stick” or coercion type methods over the past few decades? Then, after reading the two opinion articles by Somin and Wehle about whether the federal government could/should institute a national lockdown order in the Covid-19 crisis, explain some of the main arguments on each side of this debate and then discuss which view you find more convincing and why.