What is a migration flow? describe an example of a modern or historical migration flow.

The correct answer is:

A migration flow is the number of immigrants that cross a border in a specific period of time. These immigration crosses the border of another country because they want to stay there for a long time. The migration flow takes into consideration the number of migrants that enter or leaves a country in a year.

An example of a modern historical migration flow is the situation in the border of the United States and Mexico. Immigration is one of the most important foreign issues between these two countries. The problem is not that many Mexicans want to cross the U.S. border, but the Central American people that travel through Mexico to get to the United States illegaly. The majority of these people are from Honduras, Salvador, and Guatemala. The flow of migrants is constant throughout the year. Indeed, it is happening at this very moment.  

the communist manifesto is an 1848 political pamphlet by the german near the end of the manifesto, the authors call for a "forcible overthrow of all existing social conditions",  ..

the correct answers are: 1) lay and collect taxes and duties; 2) pay debts; 5) borrow money;   6) regulate commerce with foreign nations.

article 1, section 8. refers to the powers of congress. according to the united states constitution: “the congress shall have the power to lay and collect taxes, duties, imposts, and excises, to pay the debts and provide for the common defense and general welfare of the united states.”