The seventh aliyah continues the promise to the Jews if they follow G-d's laws: there will be no barrenness or miscarrying in their land and G-d will fulfill their days.
G-d will send terror before the Jews come to the land to drive out their enemies little by little (little by little so the land won't become overrun with wild animals by being cleared out quickly, and then gradually become filled with the Jewish nation).
Moshe offers sacrifices and sprinkles the blood on the people, which is considered the blood of the covenant like a bris mila.
G-d calls Moshe up to the mountain to get the 2 luchos (tablets). Moshe goes up mount Sinai and stays there for 40 days and 40 nights.