Lisa and beth are both in their 60s. lisa continues to eat a healthy diet and walks with her neighbors every day. she also does yoga and swims twice per week. beth has stopped worrying about what she eats and spends much of her day watching tv and sleeping. lisa is likely to demonstrate than beth.
a) worse dental hygiene
b) less cognitive decline
c) worse memory performance
d) more health issues

Less cognitive decline

Explanation:

Cognitive decline is a neurological problem in the cognition of a person. It is the expected decline of cognition at aging. It is normal among older people. This is the problem with memory, thinking, judgment and of course normal decline at this age.  

Symptoms:

Thus in the above statement, Lisa and Beth both have an aging cognitive decline that is normal.

answer; i believe the best and correct answer is stronger bonds between the nations of africa;

trade regulation is a field of law, often bracketed with antitrust (as in the phrase “antitrust and trade regulation law”), including government regulation of unfair methods of competition and unfair or deceptive business acts or practices. antitrust law is often considered a subset of trade regulation law. franchise and distribution law, consumer protection law, and advertising law are sometimes considered parts of trade regulation law.

in general the theory of economics says that the more open to trade a country is the better   the result for the same country and the whole economies.

in real life countries impose taxes, quotas, etc which is not so good for the economies.

this kind of commercial war between the usa and china is slowing down the growth of the whole world so we can say that it is a draw back of trade regulations. and the free trade agreements are benefits of trade regulations.