There are basically two systems, there is Capitalism and Socialism and most countries tend to use a combination of the two, known as a mixed economy.
Answer:
Many nations agreed to stop using chemical weapons after World War I.
Explanation:
The use of chemical weapons during World War I had devastating effects on humanity; both on the aggressors and aggrieved. It killed hundreds of thousands and gave many others, after-effects that lasted them decades.
The Chemical Weapons Convention (CWC) control treaty was put into force on 29th April 1997 where production, stockpiling, and use of chemical weapons was outlawed.
Q. Which of the following executive departments assists the president with foreign policy?
A. Department of State
A series of ineffective strikes and disagreements between the leaders weakened the influence the KoL had.
Answer: In 1900 there were 60,000 police; by 2000 there were over 125,000. Over the century they became a much better-trained force. In 1900 new recruits learnt the job by doing it; now each has 14 weeks training.
Explanation: The 1829 Metropolitan Police Act created a modern police force by limiting the purview of the force and its powers, and envisioning it as merely an organ of the judicial system.