...therefore...  [adverb/conjunction]

...that means...

This caused...

Consequently,... [fronted adverbial]

As a result...

This led to...

This leads to...

This might lead to...

...because...      [conjuction]

This is because...

...as...

… causing...      [present participle]

...so...                [co-ordinating conjunction]

…leading to...

semi-colon, colon, dash