An atrial septal defect (ASD) is an opening or hole in the wall that separates the two upper chambers of the heart.This wall is called the atrial septum. The hole causes oxygen-rich blood to leak from the left side of the heart to the right side.n atrial septal defect (ASD) is an opening or hole in the wall that separates the two upper chambers of the heart.
The Connecticut Compromise (also known as the Great Compromise of 1787 or Sherman's Compromise) was an agreement that large and small states reached during the Constitutional Convention of 1787 that in part defined the legislative structure and representation that each state would have under the United States Constitution.
Best Answer: Probably the Great Compromise (also known as the Connecticut Compromise) and the Three-Fifths Compromise. The Great Compromise allowed both large and small states to agree to the Constitution without seriously diminishing their power in Congress.he Three-Fifths Compromise settled the dispute between Northern states and Southern states over the definition of population for determining the number of members a state had in the House of Representatives.