Does the patronage system or the apprentice system exist today if so in what fields?

Yes, it does.

The patronage system refers to a form of financial aid given to a certain people in order to support their work since their work is not commonly profitable.

Today, the patronage system exist in crowd funding. The fields could vary from arts, technology, fashion, or any other industries as long as they collect the interest of the mass.

For example, online creators these day could utilize website called patreon to seek people that willing to fund their projects.

Or

new companies that want to collect capital to mass produce their invention could ask for help in a website called kickstarter.

although the crusades failed to capture jerusalem, they had several major impacts on western europe. they increased the authority of the king: sometimes nobles died in battle without leaving an heir in which case the king got their land. kings passed taxes to pay for the crusades.

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.