A) toilsome
Toilsome: characterized by effort to the point of exhaustion; especially physical effort
1. Parents
2. Clams
3. Couches
4. Caves
5. Ranches
6. Armies
7. Dresses
8. Hobbies
9. Glasses
10. Arches
11. Arrows
12. Mosses
13. Props
14. Patches
15. Mints
16. Babies
17. Engines
18. Enemies
19. Supplies
20. Mistakes
Answer:
the invention of the automobile.
Explanation:
For everyone, the invention of the vehicle was revolutionary. Automobiles evolved over time, growing quicker and more efficient, and they eventually became a mode of transportation that was suited for everyone. Also, because the prices of vehicles were not too expensive, a large number of people could buy them. It also aided the development of leisure travel. The reason for this was that it was simple and inexpensive to travel great distances in a short amount of time. People began to use it more frequently since they desired to see new things, go on trips, do new activities, and enjoy themselves.
