What did the hebrews believe was offered to them by God?

Answer 1

1) The land of milk and honey (the Promised Land). Exodus ch.3.
2) Redemption from the Egyptian slavery and smite the Egyptians (Exodus ch. 3-4; see also Genesis ch.15).
3) To give them the wealth of Egypt (Genesis ch.15; Exodus ch.3).
4) To give them the Torah (Exodus 24:12).
5) To cherish them as a treasure (Exodus ch.19; Deuteronomy 26:16-19).
6) To drive the Canaanites out of the Promised Land (Exodus ch.23).
7) To do unparalleled miracles for them (Exodus ch.34).
8) To dwell among them (Exodus ch.25).
9) To give them large families, wine and oil, and livestock (Deuteronomy ch.7).
10) To give them prophets (Deuteronomy ch.18).
11) To return His presence and blessings to them in the end of days (Deuteronomy ch.30).

See also:

What was the covenant of the Israelites?

Does Israel still have God's protection?

Mark Twain: "The Jews are eternal"