Leaven of Malice was created in 1954.
Yes; no dead animals in the manufacture of leaven.
No oats: In addition to bread products containing leaven, there are a few other foods that are not eaten on Pesach. The basic rule is that any product that is leavened may not be eaten, including five grains: wheat, rye, barley, oats, and spelt. Any food or drink that is made from one of these grains or that contains one of these grains, even in very small quantity, is considered chametz.
heaven
The Leaven of Good - 1914 was released on: USA: 12 July 1914
Mark 8:15 - Then He charged them, saying, "Take heed, beware of the leaven of the Pharisees and the leaven of Herod." [NKJV]In the Bible, "leaven" is used both literally (the yeast that makes bread rise) and figuratively (a relatively small force or amount that nonetheless makes a major impact). As used by Jesus in Mark 8:15, "leaven" refers to a "corrupting influence."
bread
Oats are oats, they are grown, not made. You can make cereal out of oats, but not oats out of cereal.
Quick oats and old fashioned oats are not the same. Quick oats are rolled oats that have been cut into smaller pieces to cook faster, while old fashioned oats are whole oats that are rolled flat.
Leaven.
Yeast is a leaven. A chemical reaction between the yeast and water creates tiny gas bubbles, making dough expand.
Oats is called "ఓట్స్" (Oats) in Telugu.