Answer: a treaty between two or more countries to make trade easier and to destroy trade barriers
I think the answer is A too
Overpopulation puts a tremendous strain on resources. If too many people live in a place with too few resources (food, water, etc.), there are many negative effects. The biggest concern is access to water. A lack of fresh water can lead to unsanitary living conditions, which can cause disease, infection and increased child and infant mortality. Additionally, overpopulation can lead to malnutrition and increased transmission of diseases. Even more disconcerting is the fact that overpopulation is a growing issue; by 2050, the projected population of the world is 9 billion, with the developed world comprising the majority of the population.
Answer:
Bad attitude.
Explanation:
The attitudes and politics of Americans toward immigration in the 1920s was not good because Americans thought that these immigrants increase unemployment as well decreases the wages. Many Americans feared that there was high unemployment rate in America after World War I. New immigrants were used to break strikes and were blamed for the deterioration in wages so we can say that Americans attitudes turns bad due to the above factors,