Answer:
Cambrian
Explanation:
The earliest ancestors of about half of all extant animal phyla can be traced back to the CAMBRIAN explosion.
D many immigrants struggled to speak and understand the English language
Increase in efficiency of farming and also resulting in fewer and also got large farms.
Petrarch is also known for using the vernacular language in his writing instead of Latin. His vernacular writings were later used to set the foundations of the modern Italian language.
Artillery, naval gun fire, attack helicopters and fighter craft were the next advanced warfare technologies that were used in killing the enemies. Technology has always been the contributing factor to the advancement and development of war equipment's. They played a significant role in the way war was fought.
