What's the strongest factor influencing on migration selectivity

Age

education level

Gender

What was the first form of government in the 13 colonies and where was it located?

Which of the following actions is a way to repair land that has been overfarmed?

Why the history of the Eiffel Tower important for humanity?

What are 5 inventions or industrial processes that led to the building of empires in the 19th century?

Which of the following was not considered a danger of exploration?

When a long train of abuses and usurpitations ... evinces a design to reduce them [the colonists] under absolute despotism, it is their right, it is their duty, to throw off such government, and to provide new guards for their future security," -

What aspects of Mexica society made them vulnerable to attack with the arrival of the Spanish in the sixteenth century?

Which river was essential to the survival of the West African kingdoms of Ghana, Mali, and Songhai? (1) Thames (3) Indus (2) Niger (4) Euphrates

Which city was important in the acceptance of Christianity in England?

The 1920s are sometimes called the roaring twenties because