On this day, British soldiers fired on and killed "<span>c. unarmed colonists" although it should be noted that colonists were throwing stones and sticks at the British soldiers. </span>
I would say technology? New medicines.
Step 1- Introduction
Step 2-committee consideration
Step 3-committee action
Step 4-Subcommittee Review
Step 5-Mark up
Step 6-committee action- reporting a bill
Step 7-publication of comittee
Step 8-scheduling floor action
Step 9- debate
Step 10-Voting
Step 11-bill refereed to other chambers
Step 12-conference committee
Step 13-final action
Step 14- overriding the veto
Hope this helps :)
I believe the answer is wind power.