Summarize the key events and characters described in Genesis 16-21 and Genesis 25-28, focusing on the narratives of Hagar, Sarah, Abraham, Lot, Rebekah, Jacob, Rachel, Leah, and Joseph.

1a) i) The angel advised Hagar to return to her mistress, Sarai, and submit to her authority. ii) One of the men declared that Sarah would have a son by the same time next year. iii) Sarah laughed to herself when she heard the declaration. 1b) i) Abraham was walking with them to send them on their way. ii) Lot offered his two virgin daughters to the men of Sodom. 1c) i) Rebecca worried that Jacob might marry a Canaanite woman, which would make her life miserable. ii) Jacob saw a staircase (or ladder) resting on the earth, with its top reaching to heaven, and the angels of God were ascending and descending on it. 1d) i) Jacob told Rachel that he was her father's relative (son of Rebekah, Laban's sister). ii) Rachel was described as lovely in form and beautiful, while Leah had weak eyes. iii) A lesson learned is that true love involves patience and perseverance, as Jacob worked 14 years for Rachel. 2a) i) The animal was cows and the crop was grain/ears of corn. ii) The wine steward remembered Joseph because Joseph had correctly interpreted his dream while they were both in prison. iii) Joseph advised Pharaoh to appoint a discerning and wise man to oversee the land and to store up a fifth of the produce during the seven years of abundance. 2b) i) Joseph's main role was to collect and store grain from the land during the seven years of abundance in preparation for the coming famine. ii) Joseph told his brothers not to be distressed, stating that it was to save lives that God sent him ahead of them. He also instructed them to bring their father Jacob and all their households to Egypt. iii) Joseph placed his silver cup in Benjamin's sack to test his brothers. 2c) i) Moses told Jethro he wanted to go back to Egypt to see if his relatives were still alive. ii) God instructed Aaron to go out into the wilderness to meet Moses. iii) Moses and Aaron told Pharaoh to let the Israelites go into the desert for three days to offer sacrifices to the Lord their God. iv) A lesson learned is that God's power is absolute, and He will deliver His people from oppression, even through severe judgments. 3a) i) Samuel was sleeping in the temple of the Lord, where the ark of God was. ii) Samuel initially went to Eli because he did not yet know the Lord, and the word of the Lord had not yet been revealed to him. He thought it was Eli calling him. iii) One instance is that none of Samuel's words fell to the ground, meaning everything he said came true. 3b) i) The Israelites asked for a king because they wanted to be like other nations and have a king to lead them in battle. ii) The Lord told Samuel, "Listen to all that the people are saying to you; it is not you they have rejected, but they have rejected me as their king." 3c) i) Jonathan was deeply attracted to David. ii) The women were singing and dancing with tambourines and lutes. iii) Saul instructed David to bring him 100 foreskins of the Philistines. David actually killed 200 Philistines and brought their foreskins. 3d) i) Jonathan argued that David had not wronged Saul, David's actions had been very beneficial to Saul, and David had risked his life for Israel. ii) A lesson learned is that God protects His chosen servants, and His Spirit can intervene to prevent harm to them.