Maurya and Gupta dynasties were able to unite India.
The colonists in Jamestown ultimately survived by befriending some of the Natives from certain tribes, which gave them enough food for minimal survival, although even this did not last for long.
Answer:
D Western European Crusaders
Explanation:
Adding laces to shoes was laborious, so Matzeliger invented the lacing machine. C. Adding heels to shoes was laborious, so Matzeliger invented the heeling machine. ... Attaching the top of the shoe to the sole was laborious, so Matzeliger invented the lasting machine
