<u>Evidence of a large glacial lake northeastern Ontario:</u>
The evidences of a large glacial lake in northeastern Ontario are, sand ridges of Rome, relief forms in the plain around the lake in Ontario, the structure of the soil and the glacial remains.
This large glacial lake was named Iroquois which existed approximately 13000 years ago and is said to be enlargement of today's Ontario lake. This was formed because the St Lawrence river was blocked by an ice sheet and it drained towards the south east.
People migrate for a number of reasons. These reasons may fall under these four areas: Environmental, Economic, Cultural and Socio-political. ... Poor economic activity and lack of job opportunities are also strong push factors for migration.
They were seeking greater economic opportunity, while some, such as the pilgrims in 1600s looking for freedom.
