Agreat stimulus to development and immigration in australia was the of the 1850. question 34 options: slave trade tea party american civil war gold rush

The correct option is B
the gold rush
The first gold rush in Australia began in May 1851 after prospector Edward Hargraves reported that he had discovered payable gold near Orange, at a site he had called Ophir.He had learnt the gold prospecting skills at California gold mines. such skills were like panning.

The correct answer is d